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: Valor Fitness CA-27 Leg Stretch Machine. Sports & Outdoors. Sports & Fitness. Valor Fitness.
2nd: Coleman Propane Grill | RoadTrip LXE Portable Gas Grill. Sports & Outdoors. Outdoor Recreation. Coleman.

Options:
A: Set of 14 Decorative Drapery Curtain Clip Rings, 2" Interior Diameter, Black Premium Iron Metal Material. Home & Kitchen. Home Dcor. Fasthomegoods.
B: Klean Kanteen Wide Insulated Stainless Steel Bottle with Loop Cap (20-Ounce). Home & Kitchen. Kitchen & Dining. Klean Kanteen.
C: Big Rock Sports FC2 Universal Field Cleaning Kit. Sports & Outdoors. Sports & Fitness. Hoppe's.
D: Usstore Tree Flower Square Pillow Throw Cushion Cover Pillowslip Case. Home & Kitchen. Bedding. Usstore.
E: Bozeman FlyWorks Floating Fly Line. Sports & Outdoors. Sports & Fitness. Bozeman FlyWorks.
F: TekkyToys (Set/2) Santa Butt Musical Farting 5" Plush Christmas Tree Ornament Xmas Gag. Home & Kitchen. Home Dcor. TekkyToys.
G: KXMDXA Black Cat in the Dark Waterproof Polyester Bath Shower Curtain Size 60x72 Inch. Home & Kitchen. Bath. KXMDXA.
H: Cupcake Creations 990-1 9901 Disposable Duet Icing Bags, 12-Inch, 20-Pack, Clear. Home & Kitchen. Kitchen & Dining. Cupcake Creations.
I: Digi 1st T-820 99 Minute Handheld Countdown Timer. Sports & Outdoors. Sports & Fitness. Digi 1st.
J: AXESS PBBT2702 Portable Bluetooth Boombox with CD, FM Stereo, USB/SD Inputs. Electronics. Portable Audio & Video. Axess.
K: TYR Alliance Splice Jammer Swimsuit. Sports & Outdoors. Sports & Fitness. TYR.
L: VOMLITE Fitbit Flex Charger, Replacement USB Charger Cable for Fitbit Flex Band Wireless Activity Bracelet - Fitbit Flex Charging Cable - 7.9“ Black. Sports &...
M: AKOAK USB 2.0 Adapter Plug?1 Pair 90 Degree Left and Right Angle Mini USB Male to Micro USB Female Connector Adapter. Electronics. Accessories & Supplies...
N: Digipower TC-55F Travel Charger for Fuji. Electronics. Camera & Photo. DigiPower.
O: Zinus 5 Inch Low Profile Smart Box Spring / Mattress Foundation / Strong Steel structure / Easy assembly required, King. Home & Kitchen. Furniture. Zinus.
P: LUVVITT 3D Super Slim Genuine Case for iPad 4 & iPad 3 & iPad 2 with built-in Stand & Automatic Screen Sleep/Awake Function / Black...
Q: Evecase SlimBook Leather HandStrap Folio Stand Case Cover for Hisense Sero 7 LT (Lite) - 7'' Android Tablet - Black. Electronics. Computers & Accessories. Evecase.
R: niceeshop(TM) Portable Digital Fishing Hook Luggage Scale. Sports & Outdoors. Sports & Fitness. niceeshop.
S: Sirui L Series L-20S 2-Way Levelling Tilt Heads. Electronics. Camera & Photo. Sirui.
T: Anchor Hocking 2 Piece Glass Measuring Cup Set. Home & Kitchen. Kitchen & Dining. Anchor Hocking.


assistant
Answer: I