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: Acoustic Research AW-811 Indoor/Outdoor Wireless Speaker (single). Electronics. Home Audio. Acoustic Research.
2nd: SanDisk Cruzer Glide CZ60 64GB USB 2.0 Flash Drive- SDCZ60-064G-B35. Electronics. Computers & Accessories. SanDisk.

Options:
A: Brother Laminated Black on Yellow 1 1/2 Inch Tape - Retail Packaging (TZe661) - Retail Packaging. Electronics. Accessories & Supplies. Brother.
B: NIKE Icon Color Block Golf Polo 2016 Lucid Green/Midnight Navy Small. Sports & Outdoors. Sports & Fitness. Nike.
C: Park Tool Emergency Tire Boot Set - TB-2C. Sports & Outdoors. Outdoor Recreation. Park Tool.
D: Fivebop Sexy Apron Novelty Naked Men Women Cooking Grilling Naughty Apron Funny Creative Thanksgiving Christmas Gifts (Men 3). Home & Kitchen. Kitchen & Dining. Fivebop.
E: AIRHEAD RIP II. Sports & Outdoors. Outdoor Recreation. Airhead.
F: XDOBO New Design Hand-blown Hourglass in Wooden Stand, Indoor Decor and Sand Timer, Measures 60 Minutes (20 X10CM, Blue). Home & Kitchen. Kitchen & Dining...
G: Monoprice 107198 3.5mm Stereo Jack to 2 RCA Plug Splitter Adaptor, Gold Plated, 1-Pack. Electronics. Accessories & Supplies. Monoprice.
H: Fotodiox GoTough Talon Handlebar/Seatpost Bicycle Pipe Clamp QR Mount with Quick Release Clips for GoPro HD HERO, HERO2, HERO3, HERO3+ and HERO4 Cameras. Electronics. Camera...
I: Kitchen Wooden Spoons Mixing Baking Serving Utensils Craft Puppets 10 inch - Set of 12 ROUNDSQUARE. Home & Kitchen. Kitchen & Dining. ROUNDSQUARE.
J: DSTE 2x EN-EL15 Replacement Li-ion Battery for Nikon 1 V1 Z7 D500 D600 D800 D850 D800E D810A D750 D7000 D7100 D610 D7200 Camera. Electronics. Camera...
K: KitchenAid KN211WW 11-Wire Whip for 5 and 6 Quart Lift Stand Mixer. Home & Kitchen. Kitchen & Dining. KitchenAid.
L: Cake Boss Deluxe Nonstick Bakeware 9-Inch by 5-Inch Loaf Pan, Gray. Home & Kitchen. Kitchen & Dining. Cake Boss.
M: CowboyStudio Single 1000w Continuous Video Light Quartz/Halogen Light for Chromakey Green Screen. Electronics. Camera & Photo. CowboyStudio.
N: DIMPLES EXCEL Sleeping Bag Liner with Luxurious Space. Sports & Outdoors. Outdoor Recreation. DIMPLES EXCEL.
O: Cutter Scented Citronella Outdoor Candle, Honeysuckle, 11-Ounce. Home & Kitchen. Home Dcor. Cutter.
P: TP-Link AC1900 Desktop Wi-Fi Range Extender w/ Touchscreen Interface (RE590T). Electronics. Computers & Accessories. TP-LINK.
Q: SimpliSafe MS1 Extra Motion Sensor ( Original System). Electronics. Security & Surveillance. SimpliSafe.
R: [10.80V, 4400mAh, Li-ion], Replacement Laptop Battery. Electronics. Computers & Accessories. Smart Power.
S: UCO Long Burning Tealight Candles for Emergency Preparedness, Natural Beeswax, 3-Pack. Sports & Outdoors. Outdoor Recreation. UCO.
T: OUTBAGS USA LS4TCP Full Grain Heavy Leather IWB Conceal Carry Gun Holster for Taurus 738 TCP. Handcrafted in USA. Sports & Outdoors. Sports & Fitness...


assistant
Answer: R