TrialPanorama/Dataset huggingface dataset:
Please select the outcome measures that correspond to the clinical trial below.
Title: A Phase I Escalating Dose Ranging Study to Evaluate the Safety and Immunogenicity of the VAX128 A, B, and C Novel H1N1 Influenza Vaccine Constructs in Healthy Adults 18-49 Years of Age and in Community Living Adults ≥65 Years of Age
Brief Summary: This is a multicenter, escalating dose-ranging study to assess the safety, reactogenicity and immunogenicity of 3 different novel H1N1 influenza vaccine constructs delivered i.m. as a single dose vaccination on day 0.


Options:
A: Safety (local and systemic reactogenicity, laboratory tests and AEs. (6 months)
B: Serum Haemagglutination-inhibition (HI) Antibody Titers, Against Each of the Vaccine Influenza Virus Strains. (At Day 0 and Day 21)
C: Number of Participants With Antibody Titers ≥ 10 1/Dilution (1/Dil) Against A/California (H1N1 Vaccine) Strain - Age 18 to 64 Years (Pre-vaccination (Day 0) and day 21 post-vaccination); Number of Participants With Antibody Titers ≥ 40 1/Dilution (1/Dil) Against A/California (H1N1 Vaccine) Strain - Age 18 to 64 Years (Pre-vaccination (Day 0) and Day 21 post-vaccination); Geometric Mean Titers (GMT) of Antibodies Against A/California (H1N1 Vaccine) Strain - Age 18 to 64 Years (Pre-vaccination (Day 0) and 21 days post-vaccination); Number of Participants With Antibody Titers ≥ 10 1/Dilution (1/Dil) Against A/California (H1N1) Strain - Age ≥ 65 Years (Pre-vaccination (Day 0) and 21 days post-vaccination); Number of Participants With Antibody Titers ≥ 40 1/Dilution (1/Dil) Against A/California (H1N1 Vaccine) Strain - Age ≥ 65 Years (Pre-vaccination (Day 0) and 21 days post-vaccination); Geometric Mean Titers (GMT) of Antibodies Against A/California (H1N1 Vaccine) Strain - Age ≥ 65 Years (Pre-vaccination (Day 0) and 21 days post-vaccination); Number of Participants With At Least One Solicited Injection Site or Systemic Reaction - Age 18 to 64 Years (Days 0 to 7 post-vaccination); Number of Participants With At Least One Solicited Injection Site or Systemic Reaction - Age ≥ 65 Years (Days 0 to 7 post-vaccination)
D: Safety (28 days)

Answer: D
Please select the outcome measures that correspond to the clinical trial below.
Title: Treatment of Apathy in Alzheimer's Disease With Modafinil
Brief Summary: This study examined the effects of modafinil on apathetic symptomatology, performance of activities of daily living (ADLs) and caregiver burden in individuals with Alzheimer's disease (AD).


Options:
A: Presence of Agitation and/or Psychosis Measured by the Neuropsychiatric Inventory (NPI) Combined With an Assessment of the Clinical Significance of Behavioral Change Rated by the Study Clinician (24 months)
B: Change From Baseline in Alzheimer's Disease Assessment Scale-Cognitive Subscale (ADAS-Cog11) Score at 76 Weeks (Baseline (randomization), 76 weeks); Change From Baseline in Alzheimer's Disease Assessment Scale-Cognitive Subscale (ADAS-Cog11) Score at 16 Weeks After Cessation of Study Drug (Baseline (randomization), 16 weeks following treatment cessation); Change From Baseline in Alzheimer's Disease Cooperative Study Activities of Daily Living (ADCS-ADL) Inventory Score at 76 Weeks (Baseline (randomization), 76 weeks); Change From Baseline in Alzheimer's Disease Cooperative Study Activities of Daily Living (ADCS-ADL) Inventory Score at 16 Weeks After Cessation of Study Drug (Baseline (randomization), 16 weeks following treatment cessation)
C: Apathy (at baseline); Apathy (after 8 weeks of treatment)
D: Apathy Evaluation Scale Score at 12 Weeks (At 12 weeks)

Answer: C
Please select the outcome measures that correspond to the clinical trial below.
Title: Reducing Cervical Cancer in Appalachia
Brief Summary: To increase early detection of cervical cancer by increasing the proportion of Appalachian women, age 18 and older, who receive Pap smears at appropriate intervals and return for follow-up care when necessary.


Options:
A: Difference in attendance (6 months)
B: 1. ADEs; 2. duration of ameliorable medication side effects; 3. health goal adherence rates; 4. diabetes outcomes; 5. familial risk factor documentation rates; 6. user satisfaction surveys; 7. user metrics
C: Proportion of participants self-reporting receipt of Pap test (One month post-intervention)
D: Receipt of Cervical Cancer screening via Pap Test (past 12-14 months (yes/no).)

Answer: D
Please select the outcome measures that correspond to the clinical trial below.
Title: Acute Hemodynamic Effects of Riociguat (BAY63-2521) in Patients With Pulmonary Hypertension Associated With Diastolic Heart Failure: A Randomized, Double-blind, Placebo-controlled, Single-dose Study in Three Ascending Dose Cohorts
Brief Summary: The aim of this study is to assess whether single oral doses of Riociguat safely improve the cardiovascular function in patients with pulmonary hypertension associated with left ventricular diastolic dysfunction


Options:
A: 6 Minutes Walking Distance (6MWD) - Change From Baseline to Week 12 (Baseline and week 12)
B: Number of Participants With Treatment-emergent Adverse Events (TEAE) (From administration of first dose of study medication up to 2 days after end of treatment with study medication, up to 10 years); Number of Participants With Death (From baseline to end of safety follow-up visit, up to 10 years (1 month more than End of study visit))
C: Maximum Change From Baseline in Supine Systolic Blood Pressure (SBP) Within 4 Hours Post-dose at Visit 6 (Week 12) (Pre-dose (baseline) and within 4 hours post-dose at visit 6 (week 12))
D: Pulmonary artery mean pressure at rest (Peak change from baseline within 6 hours after a single dose of study drug)

Answer: D
Please select the outcome measures that correspond to the clinical trial below.
Title: A Phase III Randomised, Double-blind, Placebo-controlled, Parallel-group Trial to Evaluate Efficacy and Safety of Tiotropium Inhalation Solution Delivered Via Respimat® Inhaler (2.5 and 5 µg Once Daily) Compared With Placebo and Salmeterol HFA MDI (50 µg Twice Daily) Over 24 Weeks in Moderate Persistent Asthma
Brief Summary: The aim of this trial is to evaluate the efficacy and safety of 2.5 and 5 mcg tiotropium over a 24-week treatment period as compared to placebo and salmeterol (50 mcg twice daily). Tiotropium inhalation solution delivered by the Respimat® inhaler will be examined on top of maintenance treatment with inhaled corticosteroid controller medication in patients with moderate persistent asthma. Efficacy and safety will be assessed by measuring effects on lung function, effects on asthma exacerbations, effects on quality of life, effects on asthma control, effects on health care resource utilisation, and number of adverse events.


Options:
A: Peak FEV1 Within 3 Hours Post-dose Response (24 weeks); Trough FEV1 Response (24 weeks); The Responder Rate as Assessed by the ACQ From the Two Twin Trials 205.419 (NCT01172821) and the Present 205.418 (NCT01172808) (24 weeks)
B: Peak Forced Expiratory Volume in 1 Second (FEV1) Response Within 3 Hours Post Dosing (0-3h) After a Treatment Period of 24 Weeks. (Baseline and 24 weeks); Trough FEV1 Response Determined After a Treatment Period of 24 Weeks. (Baseline and 24 weeks); Time to First Severe Asthma Exacerbation During the 48-week Treatment of the Pooled Data From the Two Twin Trials 205.416 (NCT00772538) and the Present 205.417 (NCT00776984). (48 weeks)
C: Model Predicted Change From Baseline Trough Force Expiratory Volume in 1 Second (FEV1) (Baseline (Day 1) and Day 15 of each treatment period); Percentage of Chance That FF 100 mcg Alone Corrected Change From Baseline FEV1 Response Would Exceed a Target Response by Dose of UMEC Combined With FF 100 mcg (Baseline (Day 1) and Day 15 of each treatment period); Mean Change From Baseline in Trough FEV1 on Day 15 of Each of the 3 Treatment Periods (Baseline (Day 1) and Day 15 of each treatment period)
D: Peak Forced Expiratory Volume in 1 Second (FEV1) Response Within 3 Hours Post Dosing (0-3h) After a Treatment Period of 24 Weeks. (Baseline and 24 weeks); Trough FEV1 Response Determined After a Treatment Period of 24 Weeks. (Baseline and 24 weeks); Time to First Severe Asthma Exacerbation During the 48-week Treatment of the Pooled Data From the Two Twin Trials 205.416 (NCT00772538) and the Present 205.417 (NCT00776984). (48 weeks)

Answer: A
Please select the outcome measures that correspond to the clinical trial below.
Title: A Phase III Randomised, Double-blind, Placebo-controlled, Parallel-group Trial to Evaluate Efficacy and Safety of Tiotropium Inhalation Solution Delivered Via Respimat® Inhaler (2.5 and 5 µg Once Daily) Compared With Placebo and Salmeterol HFA MDI (50 µg Twice Daily) Over 24 Weeks in Moderate Persistent Asthma
Brief Summary: The aim of this trial is to evaluate the efficacy and safety of 2.5 and 5 mcg tiotropium over a 24-week treatment period as compared to placebo and salmeterol (50 mcg twice daily). Tiotropium inhalation solution delivered by the Respimat® inhaler will be examined on top of maintenance treatment with inhaled corticosteroid controller medication in patients with moderate persistent asthma. Efficacy and safety will be assessed by measuring effects on lung function, effects on asthma exacerbations, effects on quality of life, effects on asthma control, effects on health care resource utilisation, and number of adverse events.


Options:
A: Participants With Treatment-Emergent Adverse Experiences (TEAE) During the Treatment Period (Day 1 to Week 26 of the Treatment Period)
B: Time-to-First Serious Asthma Outcomes (SAO): Number of First SAO in the MF/F vs MF Arms (26 weeks, or 7 days after the last treatment dose, whichever occurred later)
C: Peak FEV1 Within 3 Hours Post-dose Response (24 weeks); Trough FEV1 Response (24 weeks); The Responder Rate as Assessed by the ACQ From the Two Twin Trials 205.419 (NCT01172821) and the Present 205.418 (NCT01172808) (24 weeks)
D: Change Between Week 14 and Week 0 in the Morning (AM) Peak Expiratory Flow (PEF) (AM PEF was measured daily during each of the three 14-week treatment periods. The primary analysis constructed the change between week 14 and week 0.)

Answer: C
Please select the outcome measures that correspond to the clinical trial below.
Title: A Phase III Randomised, Double-blind, Placebo-controlled, Parallel-group Trial to Evaluate Efficacy and Safety of Tiotropium Inhalation Solution Delivered Via Respimat® Inhaler (2.5 and 5 µg Once Daily) Compared With Placebo and Salmeterol HFA MDI (50 µg Twice Daily) Over 24 Weeks in Moderate Persistent Asthma
Brief Summary: The aim of this trial is to evaluate the efficacy and safety of 2.5 and 5 mcg tiotropium over a 24-week treatment period as compared to placebo and salmeterol (50 mcg twice daily). Tiotropium inhalation solution delivered by the Respimat® inhaler will be examined on top of maintenance treatment with inhaled corticosteroid controller medication in patients with moderate persistent asthma. Efficacy and safety will be assessed by measuring effects on lung function, effects on asthma exacerbations, effects on quality of life, effects on asthma control, effects on health care resource utilisation, and number of adverse events.


Options:
A: Change From Baseline in Asthma Control Test (ACT) Total Score at Week 12 (Baseline and Week 12)
B: Mean Change From Baseline in Trough (Evening Pre-dose and Pre- Rescue Bronchodilator) FEV1 at Week 8 (Baseline and Week 8)
C: Number of Patients With Drug-related Adverse Events (after the first dose of trial medication and within 30 days after the last dose of trial medication, up to 409)
D: Peak FEV1 Within 3 Hours Post-dose Response (24 weeks); Trough FEV1 Response (24 weeks); The Responder Rate as Assessed by the ACQ From the Two Twin Trials 205.419 (NCT01172821) and the Present 205.418 (NCT01172808) (24 weeks)

Answer: D
Please select the outcome measures that correspond to the clinical trial below.
Title: A Phase III Randomised, Double-blind, Placebo-controlled, Parallel-group Trial to Evaluate Efficacy and Safety of Tiotropium Inhalation Solution Delivered Via Respimat® Inhaler (2.5 and 5 µg Once Daily) Compared With Placebo and Salmeterol HFA MDI (50 µg Twice Daily) Over 24 Weeks in Moderate Persistent Asthma
Brief Summary: The aim of this trial is to evaluate the efficacy and safety of 2.5 and 5 mcg tiotropium over a 24-week treatment period as compared to placebo and salmeterol (50 mcg twice daily). Tiotropium inhalation solution delivered by the Respimat® inhaler will be examined on top of maintenance treatment with inhaled corticosteroid controller medication in patients with moderate persistent asthma. Efficacy and safety will be assessed by measuring effects on lung function, effects on asthma exacerbations, effects on quality of life, effects on asthma control, effects on health care resource utilisation, and number of adverse events.


Options:
A: Standardized Baseline-Adjusted Forced Expiratory Volume in 1 Second (FEV1) Area Under the Effect Curve From Time Zero to 12 Hours PostDose (FEV1 AUEC0-12) at Week 12 (Day 1 (predose, baseline), Week 12 and was performed at the following times relative to the administration of study drug (±5 minutes): 15 and 30 minutes and 1, 2, 3, 4, 6, 8, 10, and 12 hours); Change From Baseline in Morning Trough Forced Expiratory Volume in 1 Second (FEV1) at Week 12 (Day 1 (predose, baseline), Week 12)
B: Peak FEV1 Within 3 Hours Post-dose Response (24 weeks); Trough FEV1 Response (24 weeks); The Responder Rate as Assessed by the ACQ From the Two Twin Trials 205.419 (NCT01172821) and the Present 205.418 (NCT01172808) (24 weeks)
C: Number of Participants Experiencing an Event in the Composite Safety Endpoint of Serious Asthma Outcomes ( Asthma-related Hospitalization, Asthma-related Endotracheal Intubation, or Asthma-related Death) (From Day 1 up to 6 months); Number of Participants With at Least One Asthma Exacerbation Over the 6-month Study Treatment Period (From Day 1 up to 6 months)
D: Standardized Baseline-Adjusted Forced Expiratory Volume in 1 Second (FEV1) Area Under the Effect Curve From Time Zero to 12 Hours Postdose (FEV1 AUEC0-12h) at Week 12 (Day 1 (predose, baseline), Week 12 and was performed at the following times relative to the administration of study drug (±5 minutes): 15 and 30 minutes and 1, 2, 3, 4, 6, 8, 10, and 12 hours); Change From Baseline in Morning Trough Forced Expiratory Volume in 1 Second (FEV1) at Week 12 (Day 1 (predose, baseline), Week 12)

Answer: B
Please select the outcome measures that correspond to the clinical trial below.
Title: A Phase III Randomised, Double-blind, Placebo-controlled, Parallel-group Trial to Evaluate Efficacy and Safety of Tiotropium Inhalation Solution Delivered Via Respimat® Inhaler (2.5 and 5 µg Once Daily) Compared With Placebo and Salmeterol HFA MDI (50 µg Twice Daily) Over 24 Weeks in Moderate Persistent Asthma
Brief Summary: The aim of this trial is to evaluate the efficacy and safety of 2.5 and 5 mcg tiotropium over a 24-week treatment period as compared to placebo and salmeterol (50 mcg twice daily). Tiotropium inhalation solution delivered by the Respimat® inhaler will be examined on top of maintenance treatment with inhaled corticosteroid controller medication in patients with moderate persistent asthma. Efficacy and safety will be assessed by measuring effects on lung function, effects on asthma exacerbations, effects on quality of life, effects on asthma control, effects on health care resource utilisation, and number of adverse events.


Options:
A: Forced Expiratory Volume in One Second (FEV1) Peak Within 0-3 Hours Post-dose Response (10 minutes (min) before drug administration and 30 min, 1h, 2h, 3h after drug administration)
B: Peak Forced Expiratory Volume in 1 Second (FEV1) Response Within 3 Hours Post Dosing (0-3h) After a Treatment Period of 24 Weeks. (Baseline and 24 weeks); Trough FEV1 Response Determined After a Treatment Period of 24 Weeks. (Baseline and 24 weeks); Time to First Severe Asthma Exacerbation During the 48-week Treatment of the Pooled Data From the Two Twin Trials 205.416 (NCT00772538) and the Present 205.417 (NCT00776984). (48 weeks)
C: Change in Mean Weekly Morning Peak Expiratory Flow From Baseline to the End of the Trial (baseline and after 16 weeks of treatment)
D: Peak FEV1 Within 3 Hours Post-dose Response (24 weeks); Trough FEV1 Response (24 weeks); The Responder Rate as Assessed by the ACQ From the Two Twin Trials 205.419 (NCT01172821) and the Present 205.418 (NCT01172808) (24 weeks)

Answer: D
Please select the outcome measures that correspond to the clinical trial below.
Title: A Phase III Randomised, Double-blind, Placebo-controlled, Parallel-group Trial to Evaluate Efficacy and Safety of Tiotropium Inhalation Solution Delivered Via Respimat® Inhaler (2.5 and 5 µg Once Daily) Compared With Placebo and Salmeterol HFA MDI (50 µg Twice Daily) Over 24 Weeks in Moderate Persistent Asthma
Brief Summary: The aim of this trial is to evaluate the efficacy and safety of 2.5 and 5 mcg tiotropium over a 24-week treatment period as compared to placebo and salmeterol (50 mcg twice daily). Tiotropium inhalation solution delivered by the Respimat® inhaler will be examined on top of maintenance treatment with inhaled corticosteroid controller medication in patients with moderate persistent asthma. Efficacy and safety will be assessed by measuring effects on lung function, effects on asthma exacerbations, effects on quality of life, effects on asthma control, effects on health care resource utilisation, and number of adverse events.


Options:
A: Forced Expiratory Volume in One Second (FEV1) Peak Within 0-3 Hours Post-dose Response (10 minutes (min) before drug administration and 30 min, 1h, 2h, 3h after drug administration)
B: Peak Forced Expiratory Volume in 1 Second (FEV1) Response Within 3 Hours Post Dosing (0-3h) After a Treatment Period of 24 Weeks. (Baseline and 24 weeks); Trough FEV1 Response Determined After a Treatment Period of 24 Weeks. (Baseline and 24 weeks); Time to First Severe Asthma Exacerbation During the 48-week Treatment of the Pooled Data From the Two Twin Trials 205.416 (NCT00772538) and the Present 205.417 (NCT00776984). (48 weeks)
C: Number of Patients With Drug-related Adverse Events (after the first dose of trial medication and within 30 days after the last dose of trial medication, up to 409)
D: Peak FEV1 Within 3 Hours Post-dose Response (24 weeks); Trough FEV1 Response (24 weeks); The Responder Rate as Assessed by the ACQ From the Two Twin Trials 205.418 (NCT01172808) and the Present 205.419 (NCT01172821) (24 weeks)

Answer: D
Please select the outcome measures that correspond to the clinical trial below.
Title: A Phase III Randomised, Double-blind, Placebo-controlled, Parallel-group Trial to Evaluate Efficacy and Safety of Tiotropium Inhalation Solution Delivered Via Respimat® Inhaler (2.5 and 5 µg Once Daily) Compared With Placebo and Salmeterol HFA MDI (50 µg Twice Daily) Over 24 Weeks in Moderate Persistent Asthma
Brief Summary: The aim of this trial is to evaluate the efficacy and safety of 2.5 and 5 mcg tiotropium over a 24-week treatment period as compared to placebo and salmeterol (50 mcg twice daily). Tiotropium inhalation solution delivered by the Respimat® inhaler will be examined on top of maintenance treatment with inhaled corticosteroid controller medication in patients with moderate persistent asthma. Efficacy and safety will be assessed by measuring effects on lung function, effects on asthma exacerbations, effects on quality of life, effects on asthma control, effects on health care resource utilisation, and number of adverse events.


Options:
A: Mean Change From Baseline in Clinic Visit Trough Evening (Pre-bronchodilator and Pre-dose) Forced Expiratory Volume in One Second (FEV1) at the End of the 24 Week Treatment Period (Baseline and Week 24)
B: FEV1 peak0-3 Change From Baseline (Baseline and 12 weeks)
C: Change in evening PEF (Daily throughout the 12 week treatment period)
D: Peak FEV1 Within 3 Hours Post-dose Response (24 weeks); Trough FEV1 Response (24 weeks); The Responder Rate as Assessed by the ACQ From the Two Twin Trials 205.418 (NCT01172808) and the Present 205.419 (NCT01172821) (24 weeks)

Answer: D
Please select the outcome measures that correspond to the clinical trial below.
Title: A Phase III Randomised, Double-blind, Placebo-controlled, Parallel-group Trial to Evaluate Efficacy and Safety of Tiotropium Inhalation Solution Delivered Via Respimat® Inhaler (2.5 and 5 µg Once Daily) Compared With Placebo and Salmeterol HFA MDI (50 µg Twice Daily) Over 24 Weeks in Moderate Persistent Asthma
Brief Summary: The aim of this trial is to evaluate the efficacy and safety of 2.5 and 5 mcg tiotropium over a 24-week treatment period as compared to placebo and salmeterol (50 mcg twice daily). Tiotropium inhalation solution delivered by the Respimat® inhaler will be examined on top of maintenance treatment with inhaled corticosteroid controller medication in patients with moderate persistent asthma. Efficacy and safety will be assessed by measuring effects on lung function, effects on asthma exacerbations, effects on quality of life, effects on asthma control, effects on health care resource utilisation, and number of adverse events.


Options:
A: The Area Under the Curve From 0 to 12 Hours [AUC](0-12 hr) of the Change From Baseline to the Week 12 Endpoint in Forced Expiratory Volume in One Second (FEV1) (Baseline to Week 12)
B: Peak FEV1 Within 3 Hours Post-dose Response (24 weeks); Trough FEV1 Response (24 weeks); The Responder Rate as Assessed by the ACQ From the Two Twin Trials 205.418 (NCT01172808) and the Present 205.419 (NCT01172821) (24 weeks)
C: Asthma exacerbations, ECG and Holter monitors, lung function, adverse events, requirement of other asthma therapies and other routine safety assessments. (7 assessments within 12 month treatment period)
D: Mean Change From Baseline in Trough (Evening Pre-dose and Pre- Rescue Bronchodilator) FEV1 at Week 8 (Baseline and Week 8)

Answer: B
Please select the outcome measures that correspond to the clinical trial below.
Title: A Phase III Randomised, Double-blind, Placebo-controlled, Parallel-group Trial to Evaluate Efficacy and Safety of Tiotropium Inhalation Solution Delivered Via Respimat® Inhaler (2.5 and 5 µg Once Daily) Compared With Placebo and Salmeterol HFA MDI (50 µg Twice Daily) Over 24 Weeks in Moderate Persistent Asthma
Brief Summary: The aim of this trial is to evaluate the efficacy and safety of 2.5 and 5 mcg tiotropium over a 24-week treatment period as compared to placebo and salmeterol (50 mcg twice daily). Tiotropium inhalation solution delivered by the Respimat® inhaler will be examined on top of maintenance treatment with inhaled corticosteroid controller medication in patients with moderate persistent asthma. Efficacy and safety will be assessed by measuring effects on lung function, effects on asthma exacerbations, effects on quality of life, effects on asthma control, effects on health care resource utilisation, and number of adverse events.


Options:
A: Standardized Baseline-Adjusted Forced Expiratory Volume in 1 Second (FEV1) Area Under the Effect Curve From Time Zero to 12 Hours Postdose (FEV1 AUEC0-12h) at Week 12 (Day 1 (predose, baseline), Week 12 and was performed at the following times relative to the administration of study drug (±5 minutes): 15 and 30 minutes and 1, 2, 3, 4, 6, 8, 10, and 12 hours); Change From Baseline in Morning Trough Forced Expiratory Volume in 1 Second (FEV1) at Week 12 (Day 1 (predose, baseline), Week 12)
B: Peak FEV1 Within 3 Hours Post-dose Response (24 weeks); Trough FEV1 Response (24 weeks); The Responder Rate as Assessed by the ACQ From the Two Twin Trials 205.419 (NCT01172821) and the Present 205.418 (NCT01172808) (24 weeks)
C: Peak FEV1 Within 3 Hours Post-dose Response (24 weeks); Trough FEV1 Response (24 weeks); The Responder Rate as Assessed by the ACQ From the Two Twin Trials 205.418 (NCT01172808) and the Present 205.419 (NCT01172821) (24 weeks)
D: Treatment Failure (16 weeks)

Answer: C