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: Manduka EKO Lite Yoga Pilates Mat. Sports & Outdoors. Sports & Fitness. Manduka.
2nd: Manduka EKO Lite Yoga Pilates Mat. Sports & Outdoors. Sports & Fitness. Manduka.

Options:
A: Acer AL2016WBBD 20-inch Wide LCD Monitor. Electronics. Computers & Accessories. Acer.
B: Jack Nicklaus Mens Golf Performance Short Sleeve Polo Shirt. Sports & Outdoors. Sports & Fitness. Jack Nicklaus.
C: Sterilite  2 pc Large Sink Set - Black. Home & Kitchen. Kitchen & Dining. STERILITE.
D: Travelon Wrap Around Travel Pillow, Light Dark Gray. Home & Kitchen. Bedding. Travelon.
E: Pearl Izumi Elite Barrier Mtb Shoe Cover. Sports & Outdoors. Outdoor Recreation. Pearl iZUMi.
F: Wiseup Bike Bicycle Handlebar Mount Clamp w/ Tripod Adapter for GoPro Hero 4 3+ 3 2 1. Electronics. Camera & Photo. WISEUP.
G: Chicago Cutlery Centurion 8-Inch Chef's Knife. Home & Kitchen. Kitchen & Dining. Chicago Cutlery.
H: Cable Matters Mini HDMI to HDMI/HDMI to Mini HDMI Adapter. Electronics. Accessories & Supplies. Cable Matters.
I: Wine Carrier, OFEILY Durable Neoprene Single Bottle Wine Tote Bag/Beer/Cans/champagne/Water or Drink Bottle Bag(1-Bottle, Black). Home & Kitchen. Kitchen & Dining. Ofeily.
J: DGL VS-750-BLK Vibe Stereo Headphones, Black (Discontinued by Manufacturer). Electronics. Headphones. DGL.
K: King's Brand Heavy Duty Caster Wheels For Bed Frame ~Set Of 4~ (2 Locking & 2 None Locking). Home & Kitchen. Furniture. King's Brand.
L: Tatami Nova BJJ GI - Black - FREE White Belt. Sports & Outdoors. Sports & Fitness. Tatami Fightwear.
M: T-fal E78905 Precision Hard Anodized Nonstick Ceramic Coating PTFE PFOA and Cadmium Free Scratch Resistant Dishwasher Safe Oven Safe Fry Pan Cookware, 10.5-Inch, Black. Home...
N: Samsung PN50C7000 50-Inch 1080p 3D Plasma HDTV. Electronics. Television & Video. Samsung.
O: Toolbar Stainless Steel Kitchen Utensil Holder. Home & Kitchen. Kitchen & Dining. Toolbar.
P: 1Easylife H422 Stainless Steel Handheld Electric Milk Frother with Bonus Mix Spoon. Home & Kitchen. Kitchen & Dining. 1Easylife.
Q: KALUSI 40I Lightweight Packable Travel Backpack Hiking Daypack. Sports & Outdoors. Outdoor Recreation. KALUSI.
R: Native Spring Spiral Vegetable Slicer, Hand Held with Cleaning Brush, Zucchini & Carrot Veggie Pasta Maker. Home & Kitchen. Kitchen & Dining. Native Spring.
S: BESTTEN 3 Outlet Power Strip, Low Profile Surge Protector (Max 125V) with 2.4A Dual USB Charging Ports, 18-Inch Cord, Portable for Home Office & Travel,...
T: Eathtek New Laptop Replacement Keyboard for Dell Vostro 1310 1510 2510 Black US Layout. Electronics. Computers & Accessories. SIB.


assistant
Answer: L