Task (find): On this page, there is a sentence where a person’s name appears between “2026” and “AI.” Take the last letter of that person’s last name. Then find the last listed director’s current employer. Take the first letter of that employer. Which word that contains those letters in the following?

Condition: nongrounding
Answer: Sugar
Answer correct: true
Evidence cited:
text: At CES 2026, CEO Jensen Huang unveiled Nvidia's Vera Rubin AI platform and the Alpamayo open-source model.
prompt: What sentence gives you the answer to the first part?
granularity: sentence
text: Mark Stevens (managing partner at S-Cubed Capital)
prompt: What sentence gives you the answer to the second part?
granularity: sentence
Confidence: somewhat
Helpfulness: somewhat

Condition: nongrounding
Answer: Sugar
Answer correct: true
Evidence cited:
text: At CES 2026, CEO Jensen Huang unveiled Nvidia's Vera Rubin AI platform and the Alpamayo open-source model.
prompt: What sentence gives you the answer to the first part?
granularity: sentence
text: Mark Stevens (managing partner at S-Cubed Capital)
prompt: What sentence gives you the answer to the second part?
granularity: sentence
Confidence: very
Helpfulness: notatall

Condition: grounding
Answer: Sugar
Answer correct: true
Evidence cited:
text: At CES 2026, CEO Jensen Huang unveiled Nvidia's Vera Rubin AI platform and the Alpamayo open-source model.
prompt: What sentence gives you the answer to the first part?
granularity: sentence
text: Mark Stevens (managing partner at S-Cubed Capital)
prompt: What sentence gives you the answer to the second part?
granularity: sentence
Confidence: very
Helpfulness: somewhat

Condition: nongrounding
Answer: Sugar
Answer correct: true
Evidence cited:
text: At CES 2026, CEO Jensen Huang unveiled Nvidia's Vera Rubin AI platform and the Alpamayo open-source model.
prompt: What sentence gives you the answer to the first part?
granularity: sentence
text: Hesai was also picked as Nvidia's laser technology partner, supplying Lidar sensors to the company, streamlining software, hardware, and data in its autonomous driving products.
prompt: What sentence gives you the answer to the second part?
granularity: sentence
Confidence: guessed
Helpfulness: notmuch

Condition: grounding
Answer: Sugar
Answer correct: true
Evidence cited:
text: At CES 2026, CEO Jensen Huang unveiled Nvidia's Vera Rubin AI platform and the Alpamayo open-source model.
prompt: What sentence gives you the answer to the first part?
granularity: sentence
text: Mark Stevens (managing partner at S-Cubed Capital)
prompt: What sentence gives you the answer to the second part?
granularity: sentence
Confidence: very
Helpfulness: very

Condition: nongrounding
Answer: Sugar
Answer correct: true
Evidence cited:
text: At CES 2026, CEO Jensen Huang unveiled Nvidia's Vera Rubin AI platform and the Alpamayo open-source model.
prompt: What sentence gives you the answer to the first part?
granularity: sentence
text: Mark Stevens (managing partner at S-Cubed Capital)
prompt: What sentence gives you the answer to the second part?
granularity: sentence
Confidence: somewhat
Helpfulness: somewhat