Task: Sequential_Recommendation
user: 

 You are a helpful assistant. The assistant first thinks about the reasoning process in the mind by using Belief-Desire-Intention (BDI) framework and then provides the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively.  /nFor the BDI reasoning process, (1) Based on the user Purchase History, starting with "customer believes", list the user's beliefs; then, based on the user Purchase History and the definition of Reiss's 16 basic desires theory, list the user's desires; next, based on the listed beliefs, desires and user Purchase History, starting with "customer intends", list the intentions; (2) Finally, based on the generated beliefs, desires and intentions, construct logically BDI reasoning process, and select the correct answer based on the BDI reasoning process and input. /nThe definition of Reiss's 16 Basic Desires Theory: 1. Acceptance - the need to be appreciated 2. Curiosity, the need to gain knowledge 3. Eating, the need for food 4. Family, the need to take care of one’s offspring 5. Honor, the need to be faithful to the customary values of an individual’s ethnic group, family or clan 6. Idealism, the need for social justice 7. Independence, the need to be distinct and self-reliant 8. Order, the need for prepared, established, and conventional environments 9. Physical activity, the need for work out of the body 10. Power, the need for control of will 11. Romance, the need for mating or sex 12. Saving, the need to accumulate something 13. Social contact, the need for relationship with others 14. Social status, the need for social significance 15. Tranquility, the need to be secure and protected 16. Vengeance, the need to strike back against another person/nNow the user gives an instruction that describes a task and ask you write a response that appropriately completes the request. After thinking, when you finally reach a conclusion, clearly state the BDI thinking process within <think> </think> firstly and then the answer (i.e., answer only letters in options) within <answer> </answer> tags.
Instruction: Rank the items in options and predict the user's next purchase from the listed options by analyzing her historical purchases.

Input:
Purchase History:
1st: Con-Tact Brand Lite Tack Light-Adhesive Shelf and Drawer Liner. Home & Kitchen. Kitchen & Dining. Con-Tact Brand.
2nd: Con-Tact 30F-C5M00-06 Brand Lite Track Light-Adhesive Repositionable Shelf Liner, 12x30, White Matte. Home & Kitchen. Kitchen & Dining. Con-Tact.

Options:
A: IDS Home 12 Pcs Mini 6cm Christmas Charms Decorations Ornaments Ribbon Bows Gold. Home & Kitchen. Home Dcor. IDS Home.
B: Reversible Duvet Cover-Kalamkari Block Print-Full/Queen Handmade 100% Cotton. Home & Kitchen. Bedding. Homestead.
C: Yellow Red Long Stem Dipped 24K Gold Trim Genuine Rose in Gold Gift Box. Home & Kitchen. Home Dcor. Allmygold Jewelers.
D: Delta Children Deluxe Table & Chair Set with Storage, Disney/Pixar Cars. Home & Kitchen. Furniture. Delta Children.
E: OXO Easy Press Stainless Steel Soap Dispenser. Home & Kitchen. Bath. OXO.
F: Artland 14734B Misty Dof Glass, Set of 4, 10 oz, Purple. Home & Kitchen. Kitchen & Dining. ARTLAND.
G: Franklin Sports Advanced Badminton Set. Sports & Outdoors. Sports & Fitness. Franklin Sports.
H: XMark 7' Chrome Olympic Bar with Ball Bearings XM-3812. Sports & Outdoors. Sports & Fitness. XMark Fitness.
I: Ontario 499 Air Force Survival Knife, Black. Sports & Outdoors. Outdoor Recreation. Ontario Knife.
J: Omnimount ULPC-X B Ultra Low Profile Motion Mount for 42-90 Inch TVs. Electronics. Accessories & Supplies. OmniMount.
K: Walls Men's 6-Pocket Cargo Pant. Sports & Outdoors. Sports & Fitness.
L: Pittsburgh Pirates Adult Cooperstown Throwback Retro Officially Licensed MLB Adjustable Velcro Baseball Hat Ball Cap. Sports & Outdoors. Fan Shop. OC Sports.
M: Naughty Pecker Willy Confetti Bachelorette Decoration Bachelor Party Wedding. Home & Kitchen. Event & Party Supplies. TruBlu Supply.
N: Zmodo 4 700TVL High Resolution Indoor Outdoor Day Night CCTV Video Surveillance Cameras Kit 24 LEDs IR 65ft home Security bullet Camera. Electronics. Camera &...
O: Pwr+ Right Angle 90-degree 5.5 x 2.5 mm Power Adapter Connector Converter for Toshiba Satellite Asus MSI Gateway eMashines Fujitsu Laptop Notebook Charger Ac Adapter...
P: BENDING BRANCHES Angler Classic. Sports & Outdoors. Outdoor Recreation. BENDING BRANCHES.
Q: Tecsun PL-390 DSP Digital AM/FM/LW Shortwave Radio with Dual Speakers, Silver. Electronics. Portable Audio & Video. Kaito.
R: Envirosax Tokyo Reusable Shopping Bags 5-pack. Home & Kitchen. Kitchen & Dining. Envirosax.
S: LG AGF77238901 LED HDTV REMOTE CONTROL (AN-MR500G)(ANMR500G) by LG. Electronics. Accessories & Supplies. LG.
T: adidas World Cup 2010 Repliqué Soccer Ball. Sports & Outdoors. Sports & Fitness. adidas.


<think>
Answer: R