Task: Sequential_Recommendation

system
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. 
Below is an instruction that describes a task. After thinking, when you finally reach a conclusion based on the customer's intention, desire and belief, clearly state the BDI thinking process within <think> </think> and then the answer within <answer> </answer> tags.


user 
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: ASUS Transformer Pad TF103CX-A1-BK 10.1-Inch 16 GB Tablet (Black). Electronics. Computers & Accessories. Asus.
2nd: Dragon Touch Y88X 7'' Quad Core Google Android 4.4 KitKat Tablet PC, Dual Camera, HD 1024x600 Multi-touch Screen, 8GB Nand Flash, Google Play & Zoodles...

Options:
A: LaCie Rugged 1.5TB Triple Hard Disk USB 3.0 / USB2.0 / FireWire800. Electronics. Computers & Accessories. LaCie.
B: Westland Giftware Betty Boop Magnetic Betty on Piano Salt and Pepper Shaker Set, 4-1/2-Inch. Home & Kitchen. Kitchen & Dining. Westland Giftware.
C: Kamp-Rite Insect Protection System. Sports & Outdoors. Outdoor Recreation. Kamp-Rite.
D: Caddis Men's Northern Guide Lightweight Taupe and Green Ecosmart Grip Sole Wading Shoe. Sports & Outdoors. Sports & Fitness. Caddis Wading Systems.
E: Timbuk2 Nylon Kindle Sleeve (Fits 6" Display, 2nd Generation Kindle) Black/Black/Black. Electronics. Computers & Accessories. Timbuk2.
F: Polaroid Lens Cap Strap. Electronics. Camera & Photo. Polaroid.
G: Ubiquiti Rocket M2, RM2 2.4GHz Rocket 2x2 11n MIMO CPE AirMax TDMA 50+km 150+Mbps. Electronics. Computers & Accessories. Ubiquiti Networks.
H: Jim Shore Heartwood Creek Mini Patriotic Owl Stone Resin Figurine, 3.5”. Home & Kitchen. Home Dcor. Department 56.
I: Millennium Treestands M300 Tree Seat. Sports & Outdoors. Sports & Fitness. Millennium Treestands.
J: MAUAG Christmas Gifts Inspirational Saying Coffee Mug for Dad, Best. Dad. Ever. Conversation Bubbles Dad Coffee Mug, Best Birthday Gifts for Father Porcelain Cup White,...
K: C2G/Cables to Go 41126 RG6 Compression BNC Connector Multipack (20 Pack) TAA Complaint. Electronics. Computers & Accessories. C2G/Cables To Go.
L: YTC Bronze Isis W/Open Wings Collectible Figurine Statue Sculpture Figure. Home & Kitchen. Home Dcor. Summit.
M: Tiffen 52mm Haze-1 Filter. Electronics. Camera & Photo. Tiffen.
N: Wilton Hatching Chick Pretzel Candy Mold. Home & Kitchen. Kitchen & Dining. Wilton.
O: HDE Red Keyboard Case Stand for 7" Android A13 MID Tablets + USB to Micro USB OTG Adapter. Electronics. Computers & Accessories. HDE.
P: Venstar Portable Wireless Bluetooth 4.1 Speaker with NFC Pairing, 6W Acoustic Drivers, 12 Hours Play, Buddy System Used as Computer Speakers. Electronics. Portable Audio &...
Q: Bravo Audio V3 Tube Headphone Amplifier EQ Equalizer. Electronics. Home Audio. Bravo Audio.
R: Hopkins 46365 Short Proof Power Converter. Electronics. Accessories & Supplies. Hopkins Manufacturing.
S: Pletscher Double Leg Bottom Bracket Mount Bicycle Kickstand. Sports & Outdoors. Outdoor Recreation. Pletscher.
T: DSTE Pro MB-D15 Vertical Battery Grip For Nikon D7100 D7200 SLR Digital Camera as EN-EL15. Electronics. Camera & Photo. DSTE.


assistant
Answer: R