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: i.Trek Spring Air Vent Mount with Replacement Bracket Cradle for Garmin Nuvi (Black). Electronics. GPS, Finders & Accessories. i.Trek.
2nd: Cisco Linksys E2500 Advanced Simultaneous Dual-Band Wireless-N Router (Certified Refurbished). Electronics. Computers & Accessories. Linksys.

Options:
A: Sony HDR-PJ650V High Definition Handycam Camcorder with 3.0-Inch LCD (Black) (Discontinued by Manufacturer). Electronics. Camera & Photo. Sony.
B: Colt Single Action Army 45 .177 Pellet Nickel Air Pistol. Sports & Outdoors. Sports & Fitness. Umarex.
C: Boraam 32211 Zebra Series Halmstad Coffee Table, Rich Walnut. Home & Kitchen. Furniture. Boraam.
D: Creative Converting 299019 Ladybug Fancy Circle Ribbon Party Banner with Stickers, Multicolor. Home & Kitchen. Event & Party Supplies. Creative Converting.
E: Fintie Folio Case for Samsung Galaxy Tab E 8.0 - Premium PU Leather Slim Fit Smart Stand Cover for Galaxy Tab E 32GB SM-T378 /...
F: LunchBots Uno Stainless Steel Food Container, Purple. Home & Kitchen. Kitchen & Dining. LunchBots.
G: Belkin 2-PORT KVM Switch With Cables Keyboard/Video/MOUSEPS/2. Electronics. Computers & Accessories. Belkin.
H: CrazyOnDigital Anti Glare Screen Protector For Apple iPad. Electronics. Computers & Accessories. CrazyOnDigital.
I: BIRUGEAR Black Digital Camera SLR Wrist Hand Strap Hand Grip Holder for Samsung Galaxy NX1, NX, NX30, WB1100F. Electronics. Camera & Photo. BIRUGEAR.
J: Eberlestock X2 Hunting BagPack. Sports & Outdoors. Sports & Fitness. Eberlestock.
K: Value Homezz ( 2 Piece Bathmat Set ) Stripes design 100% Super Soft Cotton Tufted Accent Bath Rugs Size 21 x 34 / 17 x...
L: Cisco-Linksys  WRT320N Dual-Band Wireless-N Gigabit Router. Electronics. Computers & Accessories. Linksys.
M: M&R GeniuSlicer- Stainless Steel Watermelon Slicer, Corer & Server + Red Anti-Slip Handle. Useful & Simple Dishwasher Safe, Kid Friendly. 2 Bonuses: Baller+Fruit Decorator &...
N: Shot Glass and 6 Pure Marble Whiskey Stones - Whiskey Rocks and Shot Glass Gift Set - Natural Marble Whisky Stones to Cool/Chill Your Drinks...
O: STORi Clear Plastic Cotton Ball and Swab Holder. Home & Kitchen. Bath. STORi.
P: Fintie Samsung Galaxy Tab 3 10.1 and Galaxy Tab 4 10.1 Kiddie Case - Ultra Light Weight Shock Proof Kids Friendly Cover, Magenta. Electronics. Computers...
Q: Intel Gigabit ET Dual Port Server Adapter. Electronics. Computers & Accessories. Intel.
R: BOSS Audio MC420B Bluetooth, All-Terrain, Weatherproof Speaker And Amplifier Sound System, Two 3 Inch Speakers, Bluetooth Amplifier, Inline Volume Control, Ideal For Motorcycles/ATV and 12...
S: JacobsParts Right Angle USB 3.0 Male to Up Facing Female Horizontal Extension Adapter. Electronics. Computers & Accessories. JacobsParts.
T: Farberware Jar Scraper Spatula (Red). Home & Kitchen. Kitchen & Dining. Farberware.


assistant
Answer: R