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: YogaRat Cush Yoga Hand Towel - Ultra-Thick Microfiber Hot Yoga Hand Towels - 600 gsm Ultra Thick for Bikram  - 16 x 25 inches. Sports & Outdoors. Sports & Fitness. YogaRat.
2nd: Bike Mount for LED Flashlight. Sports & Outdoors. Outdoor Recreation. Bright Medic.
3rd: RIO Gear Rio Brands XCB202CB-01 Sand Anchor, White. Sports & Outdoors. Outdoor Recreation. RIO Gear.
4th: Vittoria Zaffiro Pro II Fold Tire. Sports & Outdoors. Outdoor Recreation. Vittoria.
5th: Nikon ProStaff 4-12x40 Black Matte Riflescope (Nikoplex). Sports & Outdoors. Sports & Fitness. Nikon.
6th: Canari Cyclewear Men's Velo Padded Cycling Short. Sports & Outdoors. Sports & Fitness. Canari Cyclewear.
7th: Bell Bike Trunk Rack. Sports & Outdoors. Outdoor Recreation. Bell.

Options:
A: Narvokey Space Heater Mini Plug-in Ceramic Portable Personal Compact Heater Remote Controller for Home Room Office Bathroom. Home & Kitchen. Heating, Cooling & Air Quality...
B: Gigabyte Core 2 Quad/Intel P43/DDR2/A&GbE/ATX Motherboard GA-EP43-UD3L. Electronics. Computers & Accessories. Gigabyte.
C: Radeon SSD R3 240GB Solid State Drive 2.5" (R3SL240G). Electronics. Computers & Accessories. AMD.
D: FLORAL HOME DESIGN Fabric Table Runners&Placemats For Dinner Table&Home Decor,Lighthouse Pattern Blue,Holiday&Birthday&Dinner Party,Cotton 4*Placemats 13x18 Inch. Home & Kitchen. Kitchen & Dining. FLORAL HOME DESIGN.
E: Bridgedale Crew Socks. Sports & Outdoors. Outdoor Recreation. Bridgedale.
F: Francois et Mimi Color Ceramic Bowls, Multicolor (Set of 6). Home & Kitchen. Kitchen & Dining. Francois et Mimi.
G: eForCity® M / M High Speed HDMI Cable 1.3a, 25 FT. Electronics. Accessories & Supplies. eForCity.
H: MoKo(TM) 360 Degree Rotating Folio Cover Case for Apple New IPad 3 HD (3rd generation), White. Electronics. Computers & Accessories. MoKo.
I: Rachael Ray Stoneware 1-1/2-Quart Round Bubble and Brown Baker, Purple. Home & Kitchen. Kitchen & Dining. Rachael Ray.
J: Lite On Plextor M5M PX-64M5M 64GB mSATA Solid State Drive. Electronics. Computers & Accessories. Plextor.
K: Bubi sports cap 22 and 14 Oz. Sports & Outdoors. Sports & Fitness. Bubi Bottle.
L: Garmin 3.5-Inch Carrying Case (Black w/Pink Trim). Electronics. GPS, Finders & Accessories. Garmin.
M: Graber Bali Springs Cordless Honeycomb Shade Lift Handles (Early Style Smaller). Home & Kitchen. Home Dcor. Graber.
N: Kurt Adler Twig Tree, 32-Inch, White. Home & Kitchen. Seasonal Dcor. Kurt Adler.
O: Nixxell Battery for Samsung BP70A, EA-BP70A and Samsung AQ100, DV150F, ES65, ES67, ES70, ES71, ES73, ES74, ES75, ES80, MV800, PL20, PL80, PL90, PL100, PL101, PL120,...
P: Samsung Level On Wireless Noise Canceling Headphones, Blue-Retail packaging. Electronics. Headphones. Samsung.
Q: Somarian Groove Stunning Double Sided Design Cutting and Chopping Bamboo Board, 13'' x 9'' Medium. Home & Kitchen. Kitchen & Dining. Somarian.
R: DMKFoto 4-Channel Radio Remote Trigger for Studio Strobe. Electronics. Camera & Photo. DMKFoto.
S: Ritchey 5Nm Multi-Torque Key. Sports & Outdoors. Outdoor Recreation. Ritchey.
T: Crystal Allies Materials: 1lb Bulk Tumbled Pink Rose Quartz Stones from Brazil - Large 1" Natural Polished Gemstone Supplies for Wicca, Reiki, and Energy Crystal...


assistant
Answer: S