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: MSI Intel Skylake H110 LGA 1151 DDR4 USB 3.1 Micro ATX Motherboard (H110M Pro-VD). Electronics. Computers & Accessories. MSI.
2nd: ROSEWILL Micro ATX Mini Tower Computer Case with PSU, Steel Computer Case + 400w Power Supply, Front I/O: 2x USB 2.0 and Audio In/Out And...

Options:
A: Opteka T-Mount Adapter for Sony Alpha Digital SLRs DSLR-A350, A300, A200, A700, A900, A100, A380, A500, A550, A850, A450,A290, A390, A580, SLT-A33, A55, Minolta Maxxum...
B: Outdoor Research Chroma Sun Gloves. Sports & Outdoors. Outdoor Recreation. Outdoor Research.
C: Panasonic RP-HV41-A Eardrops Stereo Earbud Style Earphones, Light Blue/Light Green (Discontinued by Manufacturer). Electronics. Headphones. Panasonic.
D: Kastar Travel Charger for Fujifilm NP-45 NP-45A NP-45B NP-45S & Fuji FinePix XP20 XP22 XP30 XP50 XP60 XP70 XP80 XP90 T350 T360 T400 T500 T510...
E: Tamrac 5501 Explorer 1 Camera Bag (Blue). Electronics. Camera & Photo. Tamrac.
F: Thermaltake CL-P0497 Intel Heatsink with Fan. Electronics. Computers & Accessories. Thermaltake.
G: Invincible Marine Orange Water Ski Flag. Sports & Outdoors. Sports & Fitness. Invincible Marine.
H: Danskin Girls' Gymnastics Solid Sparkle Leotard. Sports & Outdoors. Sports & Fitness.
I: Portable CD Player Case (SBP 2) (Discontinued by Manufacturer). Electronics. Portable Audio & Video. Case Logic.
J: Elite Screens Saker Tab-Tension, 120-inch Diag 4:3, Tensioned Electric Projection Projector Screen, SKT120XVW-E9. Electronics. Television & Video. Elite Screens.
K: Vansky External CD Drive, USB 3.0 External DVD Drive for Laptop Touch Control Slim CD DVD +/-RW Burner Player Writer Rewriter for Mac Windows 10/8/7...
L: Shineda Lens Protection Cap Cover Set for GoPro Hero3+. Electronics. Camera & Photo. scthkidto.
M: Blackout EZ - Total Sunlight Blocking Window Cover - Complete Light Block For: Living Room, Nursery, Home Theatre, TV Room, LARGE - Customizable To (45"...
N: 3D Grenade Ice Cube Mold, Silicone Ice Mold, A Great Mens Gift - The ORIGINAL 3D Grenade Mold. Home & Kitchen. Kitchen & Dining. Convenient...
O: Walleva Vented Replacement Lenses Or Lenses With Black Nosepad for Oakley M Frame Strike Sunglasses - 21 Options Available.  Walleva.
P: "12"" Japanese GEISHA Oriental Doll ZS8024-12". Home & Kitchen. Home Dcor. Asian Home.
Q: Celine Linen Collection Luxury Soft Furniture Jersey STRETCH SLIPCOVER, Chair Linen. Home & Kitchen. Home Dcor. CELINE LINEN.
R: S7-22 Mag Speed Loader. Sports & Outdoors. Sports & Fitness. 5 Star Firearms.
S: ProActive Sports Sports Premium Suede Caddy Pouch. Sports & Outdoors. Sports & Fitness. ProActive Sports.
T: Hyskore Cleaning & Sighting Vise. Sports & Outdoors. Sports & Fitness. HYSKORE.


assistant
Answer: F