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: Nikon DSLR Tip Cards Cheat Sheets for D3400 D3300 D3200 D5600 D5500 D5300 D5200 D5100 D7200 D7100 D7000 D810 D800 D610 D600 D750 D700 D300S...
2nd: (2 Pack) EN-EL14 / EN-EL14a Battery and Charger Kit for NIKON DSLR D5300 D5200 D5100 D3300 D3200 D3100, COOLPIX P7800 P7700 P7100 P7000, Nikon DF...
3rd: Nikon WU-1a Wireless Wi-Fi Mobile Adapter with Instructional DVD + Cleaning Kit for Coolpix A, P330, P520, P530, P7800, DF, D3200, D3300, D5200 & D7100...
4th: Fotasy VNS Soft Multi-Color Neck Strap & Cleaning Cloth for Canon Fuji Nikon Olympus Panasonic Pentax Sony Cameras. Electronics. Camera & Photo. Fotasy.
5th: LG Popo Pocket Photo Printer PD239 (White) Bundle with 30-Pack of Inkless Photo Paper for Android, iOS. Electronics. Camera & Photo. LG.
6th: MegaGear ''Ultra Light'' Professional Camera Case Bag with Rain Cover for Canon 5D MK III, 80D, T6, 7D, T5i, Nikon D5600, D500, D750, D810, D7200,...

Options:
A: LIDORE Set of 10 Halloween 3D Jack-O-Lantern Pumpkin Decoration String Lights-for Holiday, Festival, Party Decor. Home & Kitchen. Seasonal Dcor. LIDORE.
B: Mega Bloks Star Trek U.S.S. Enterprise NCC-1701 Collector Construction Set. Home & Kitchen. Home Dcor. Mega Bloks.
C: Kohree 2 pack of LED Flameless Candles Multiple Colors Pillar Candle Remote Timer, Color Changing Candles, Battery Operated, extra remote controls included. Home & Kitchen...
D: Scanpan (60002400) Professional 9.5-Inch Fry Pan. Home & Kitchen. Kitchen & Dining. Scanpan.
E: Le Creuset of America Pepper Mill, 8-Inch, Caribbean. Home & Kitchen. Kitchen & Dining. Le Creuset.
F: Daiwa WLDR 862MHR Wilderness Downrigger Trolling Rod, 8-1/2-Feet, 2 Piece. Sports & Outdoors. Sports & Fitness. Daiwa.
G: A Pair Black Ear Cushion Replacement Ear Pads Ear Cups For Sony MDR-V150 V250 V300 V100 V200 V400 DR-BT101 ZX100 ZX300 Headphones Headset 70MM. Electronics...
H: Schutt Sports Fielder's Guard Replacement Parts. Sports & Outdoors. Sports & Fitness. Schutt.
I: Innovera 81910 Slim CD Case, Assorted Colors (Pack of 10). Electronics. Accessories & Supplies. Innovera.
J: Mustad UltraPoint Demon Perfect Offset Circle 1 Extra Strong Hook with Kirbed Point.  Mustad.
K: DS18 TX1S Tweeter X1 1.38-inch 200 Watts Max Pei Dome Ferrite Tweeters with Mounting Kit Angle, Flush, Surface - Set of 2 (Black/Silver). Electronics. Car...
L: NcStar VISM 2910 Pistol Subgun Gun Case. Sports & Outdoors. Sports & Fitness. NcSTAR.
M: Nesco American Harvest FD-35BJW-5 Snackmaster Entre Fodd Dehydrator with Jerky Kit. Home & Kitchen. Kitchen & Dining. Nesco.
N: Orion 5052 Dovetail L-Bracket for VersaGo Telescope Mount. Electronics. Camera & Photo. ORION.
O: Dr. Scholl's Men's Coolmax Firm Support Socks. Sports & Outdoors. Sports & Fitness. Dr. Scholl's.
P: IKEA Kallax Bookcase Room Divider Cube Display. Home & Kitchen. Furniture. IKEA.
Q: Crescent Moon ExerSocks (3-pack) Non-Slip Grip Socks. Sports & Outdoors. Sports & Fitness. Crescent Moon.
R: Altura Photo Professional Cleaning Kit for DSLR Cameras and Sensitive Electronics Bundle with Refillable Spray Bottle. Electronics. Camera & Photo. Altura Photo.
S: Luxury PREMIUM Shredded Memory Foam Pillow { Standard / Queen } Cooling Sleeping Hotel Quality Adjustable Loft - Back or Side Sleeper Pillow Cool Bed...
T: Coleman Stainless Steel Percolator, 12 Cup. Home & Kitchen. Kitchen & Dining. Coleman.


<think>
Answer: R