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: PPbean Classic Pocket Style Camping Compass. Sports & Outdoors. Sports & Fitness. SODIAL(R).
2nd: GigaTent Pop Up Pod Changing Room. Sports & Outdoors. Outdoor Recreation. GigaTent.
3rd: Zodi Outback Gear Hot Tap Travel Shower. Sports & Outdoors. Outdoor Recreation. Zodi.

Options:
A: 5 Vinyl Magnetic Photo Booth Frames 2"x6". Home & Kitchen. Home Dcor. Photo Booth Nook.
B: Engraved Personalized Groomsmen Flasks Gift Box Set - Wedding Favors - Custom Monogram Groomsman - Badge Style - Black. Home & Kitchen. Kitchen & Dining...
C: Pretty Charming Delightful 15 Buds 1 Bouquet Mini Rose Artificial Silk Flower Bride Bridal Home Decal. Home & Kitchen. Home Dcor. Joylive.
D: Oreck Genuine Replacement Belts for XL Upright Vacuum Models (Pack of 2). Home & Kitchen. Vacuums & Floor Care. Oreck.
E: WHAT ON EARTH Sleeping Fox Hand-Hooked Accent Rug - Exclusive From. Home & Kitchen. Home Dcor.
F: Kuechenprofi Easy Tear Paper Towel Holder, 11-Inch, Kiwi. Home & Kitchen. Kitchen & Dining. Kuchenprofi.
G: Patio Umbrella Parasol Lights: Wireless 24 Pure White LED Lights for Outdoor Use, Patio Umbrellas, or Camping Tents, 3xAA Battery Operated, Top Quality ABS Shell...
H: Touch Screen Digitizer Front Glass Faceplate Lens Part Panel for Blackberry Playbook and Tablet Repair Parts Replacement. Electronics. Computers & Accessories. BlackBerry.
I: Kurt Adler Downton Abbey Teapot Set Ornament, 4.13-Inch. Home & Kitchen. Home Dcor. Kurt Adler.
J: Sudroid Smart Wristband Bracelet Bluetooth 4.0 with Sleep Tracker Health Fitness for Android IOS iPhone Samsung Intelligent Sports Watch Step Sleep Track Caller ID Display...
K: vintage crafts Leather Messenger Bag for Men Laptop Briefcase Best Computer Satchel Shoulder Distressed School Distressed Bag. Electronics. Computers & Accessories. vintage crafts.
L: Planetary Design Airscape Lite Plastic Food Storage Canister, 32 oz - Patented Airtight Lid Preserves Food Freshness. Home & Kitchen. Kitchen & Dining. Planetary Design.
M: Lacdo Anti-Shock Aluminium Protective Carrying Case for 2.5-Inch Portable Hard Disk Drive - Silver. Electronics. Computers & Accessories. Lacdo.
N: Creative Zen Stone Plus 2 GB MP3 Player (Blue). Electronics. Portable Audio & Video. Creative Labs.
O: Cobra XRS 9345 14-Band Radar/Laser Detector with POP-Mode Radar Gun Detection and VG-2/Spectre Alert I Surveillance Immunity (Discontinued by Manufacturer). Electronics. Car & Vehicle Electronics...
P: Eopzol™ 10ft Feet Long USB Power Cable/Cord For Amazon Fire TV Stick HDMI Media Player. Electronics. Accessories & Supplies. LASUS.
Q: Holiday Designs Easter Window Cling Decorations - 4 Large Sheet Sets. Home & Kitchen. Home Dcor. Holiday Designs.
R: Twod Gun Sight Laser Red Dot Quick Release for Gun Rifle Pistol P-i-c-at-i-n-n-y Mount. Sports & Outdoors. Sports & Fitness. Twod.
S: Howard Miller 625-296 Paulina Wall Clock. Home & Kitchen. Home Dcor. Howard Miller.
T: Elite Gourmet MST-800V MaxiMatic Large 8-1/2-Quart Slow Cooker, Stainless. Home & Kitchen. Kitchen & Dining. Maxi-Matic.


assistant
Answer: R