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: Given the products the user has purchased in history, rank the items in the listed options and output the item that the user is most likely to purchase next. Answer from one of the options.

Input:
Purchase History:
1st: QQ-Tech Micro B USB Host Mode Cable (OTG Cable) Adapter. Electronics. Computers & Accessories. QQ-Tech.
2nd: Motorola Wireless Keyboard for Motorola ATRIX and XOOM (Motorola Retail Packaging). Electronics. Computers & Accessories. Motorola.
3rd: Elsse Folio Case with Stand for Kindle Fire 7 - Brown. Electronics. Computers & Accessories. Elsse.

Options:
A: MPowered Baseball.
B: VIVO Grey 1,000 ft bulk Cat6 (CCA) Ethernet Cable 23 AWG | Wire UTP Pull Box 1,000ft Cat-6 (CABLE-V004). Electronics. Computers & Accessories. VIVO.
C: Andaz Press Chalkboard Floral Party Baby Shower Collection, Round Circle Label Stickers, It's A Girl!, 40-Pack, Decor Decorations Envelope Seals Stationery. Home & Kitchen. Event...
D: Stanley Adventure Stainless Steel Flask 12oz Hammertone Green. Home & Kitchen. Kitchen & Dining. Stanley.
E: Elegant Comfort 1800 Thread Count - WRINKLE RESISTANT - Egyptian Quality ULTRA SOFT LUXURIOUS 4 pcs Bed Sheet Set, Deep Pocket Up to 16" -...
F: Elegant Comfort QUILTED FURNITURE PROTECTOR for Pet Dog Children Kids -2 TIES TO STOP SLIPPING OFF Treatment Microfiber As soft as Egyptian Cotton, Natural Sofa...
G: [Mother's Day Gift] Designer 4-Piece Ceramic Bath Accessory Set | Includes Liquid Soap or Lotion Dispenser w/ Toothbrush Holder, Tumbler, Soap Dish | Moroccan Trellis...
H: Premium Crystal Clear Screen Protector for Apple iPad Tablet 1st Generation 16GB / 32GB / 64GB Wifi and 3G model. (Not for iPad 2 or...
I: Welcome Easter Bunny Hanging Wall And Door Decor. Home & Kitchen. Home Dcor.
J: Swimtastic® Long Hair Swim Cap - Specially Designed for Swimmers with Long, Thick, or Curly Hair. Sports & Outdoors. Sports & Fitness. Swimtastic.
K: CW-X Women's Insulator Expert Tights Black / Rose Pink XS. Sports & Outdoors. Sports & Fitness. CW-X.
L: Cup Mount Holder iKross 2-in-1 Tablet and Smartphone Adjustable Swing Cradle with Extended Cup Car Mount Holder Kit for Apple iPad iPhone Samsung Asus Tablet...
M: Boss Office Products B6888-BK Multi-Function Mesh Chair in Black. Home & Kitchen. Furniture. Boss Office Products.
N: Valor Fitness Adjustable Back Extension. Sports & Outdoors. Sports & Fitness. Valor Fitness.
O: Multi-functional Headphones, GranVela A809 Foldable Lightweight Headphones with Built-in FM Radio, Micro SD Card Player and Detachable Cable - Black. Electronics. Headphones. Granvela.
P: Amco Clean Cut Apple Corer. Home & Kitchen. Kitchen & Dining. Amco.
Q: Whitelotous 3D Print Fruit Office Chair Back Cushion Sofa Throw Pillow,12.9 Inch Round, 5 Designs (Watermelon). Home & Kitchen. Bedding. Whitelotous.
R: CNAweb 1U 19-Inch Vented Rackmount Equipment Shelf for Cabinet Server Rack 11" Deep. Electronics. Accessories & Supplies. CNAWEB.
S: Julius Studio 43" Photography Photo Video Studio Lighting Disc Oval Reflector, 2-in-1, 2 Colors, Gold, Silver, JGG2423. Electronics. Camera & Photo. Julius Studio.
T: 4-Ounce Hexagon Glass Jars (12-Pack), One Dozen 4 Oz Hex Jar Bulk for Party Favors, Preserves, Spices & Kitchen Storage. Home & Kitchen. Kitchen &...


assistant
Answer: S