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: OtterBox Defender Series Case for iPad 2/3/4, Black, Retail Packaging (77-18640)(not compatible with any version of ipad mini/ipad air). Electronics. Computers & Accessories. OtterBox.
2nd: Generic Magnetic 0.67X Wide Angle/Macro Lens Designed for Apple iPhone 4 iPhone 4S iPod Nano 5 iPad. Electronics. Camera & Photo. Generic.
3rd: Fujifilm Instax MINI 7s White Instant Film Camera. Electronics. Camera & Photo. Fujifilm.
4th: Pyle PLBASS10 10-Inch Low-Profile Super-Slim Active Amplified Subwoofer System. Electronics. Home Audio. Pyle.

Options:
A: Seaguar Blue Label 100-Yards Fluorocarbon Leader 30-Pounds. Sports & Outdoors. Sports & Fitness. Seaguar.
B: Wallies Wallpaper Mural, 2-Sheet, OK Out of this World. Home & Kitchen. Home Dcor. Wallies.
C: CorLiving TBF-604-B Bakersfield Ravenwood TV/Component Stand, Black. Home & Kitchen. Furniture. CorLiving.
D: Accell SlimPort to HDMI Adapter with Micro-USB Upstream Charging Port - 1920x1080 (Full HD) @60Hz. Electronics. Accessories & Supplies. Accell.
E: Grizzly Skin Non-Toxic CLP Pre-Saturated Cloths - Gun Cleaner - Gun Lubricant - Firearm Protectant - ALL IN ONE Gun Cleaning Formula!. Sports & Outdoors...
F: Rug Stop Non-Slip Indoor Rug Pad, Size: 4' x 6' Rug Pad. Home & Kitchen. Home Dcor. Grip-It.
G: TCK Neon Rainbow Fun Print OTC Socks. Sports & Outdoors. Sports & Fitness. TCK.
H: casaWare Ceramic Coated NonStick Cookie/Jelly Roll Pan (10 X 14-Inch, Brown Granite). Home & Kitchen. Kitchen & Dining. casaWare.
I: econscious 100% Organic Cotton Twill Adjustable Baseball Hat. Sports & Outdoors. Outdoor Recreation. econscious.
J: 2 Pack: 4 Piece Set - Fine 400 Thread Count 100% Cotton Dobby Stripe Sheet Set (Queen, Light Blue - Light Blue). Home & Kitchen...
K: Flexzion Camping Folding Stool - Portable 3 Legs Chair Tripod Seat For Outdoor Hiking Fishing Picnic Travel Beach BBQ Garden Lawn with Strap Oxford Cloth...
L: HP Core 2 Duo 3.0GHz Processor, New 4GB Memory, 500GB SATA Hard Drive, DVD-ROM, Windows 10, 19" Monitor(Brands may vary), Speakers, WiFi - (Certified Refurbished)...
M: Incipio Zune HD NGP Semi-Rigid Soft Shell Case -20/20 Clear. Electronics. Portable Audio & Video. Incipio.
N: Celine Linen 1800 Series Egyptian Quality Super Soft Wrinkle Resistant & Fade Resistant Beautiful Design on Pillowcases 4-Piece Sheet set, Deep Pocket Up to 16inch,...
O: MIU France Polished Stainless Steel Perforated Spoon, 14-Inches. Home & Kitchen. Kitchen & Dining. MIU France.
P: CARIBBEAN JOE  VCNY Reversible Blanket, Full, Navy/Slate. Home & Kitchen. Bedding. VCNY Home.
Q: Komputerbay 8GB (2X 4GB) DDR3 SODIMM (204 pin) 1066Mhz PC3-8500 (7-7-7-20) Laptop Notebook Memory for Apple MacBook Pro. Electronics. Computers & Accessories. KOMPUTERBAY.
R: 3x Clear Screen Protector for Apple iPod Touch 4 (4th Generation). Electronics. Portable Audio & Video. ColorCase.
S: Beckson Soft-Mate Radio Holder. Sports & Outdoors. Sports & Fitness. BECKSON MARINE.
T: Ez Fire Firestarter - Carton Of 100. Home & Kitchen. Home Dcor. EZ Fire.


assistant
Answer: Q