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: Sony a55 DSLR Camera with 18-55mm zoom lens. Electronics. Camera & Photo. Sony.
2nd: Tamron AF 10-24mm f/3.5-4.5 SP Di II LD Aspherical (IF) Lens for Pentax Digital SLR Cameras B001P (Model B001P). Electronics. Camera & Photo. Tamron.

Options:
A: Truglo TFO Tactical Universal Shotgun Front Sight. Sports & Outdoors. Sports & Fitness. TRUGLO.
B: Iron Dinosaur Paper Towel Holder. Home & Kitchen. Kitchen & Dining. GSM.
C: Lenovo IdeaPad 5934375015.6-Inch Laptop (Black). Electronics. Computers & Accessories. Lenovo.
D: Progressive International Microwavable Expandable Dish Cover. Home & Kitchen. Kitchen & Dining. Progressive.
E: Sunlite Threaded Headset, Road, 1" x 22.2 x 30 x 27.0mm, Chrome Plated. Sports & Outdoors. Outdoor Recreation. Sunlite.
F: Benjamin Armada Air Rifle air Rifle. Sports & Outdoors. Sports & Fitness. Benjamin.
G: mDesign Modern Square Metal Paper Facial Tissue Box Cover Holder for Bathroom Vanity Countertops, Bedroom Dressers, Night Stands, Desks and Tables - Red. Home &...
H: Sceptre Inc. E328BV-MDC 32-Inch 720p 60Hz LED TV. Electronics. Television & Video. Sceptre.
I: Chicco Goodnight Stars Projector, Pink. Home & Kitchen. Home Dcor. Chicco.
J: Mario Batali The Italian Kitchen Collection Ravioli Skimmer. Home & Kitchen. Kitchen & Dining. Copco.
K: HDE iPad 2 iPad 3 iPad 4 Rotating Case 360 Degree Magnetic Cover Stand for 2nd 3rd 4th Generation iPad (Black & White Polka Dot)...
L: Home Art-modern Art Zen Landscape Giclee Canvas Prints Framed Canvas Wall Art for Home Decor Perfect 4 Panels Wall Decor Sea Beach Photos Paintings for...
M: Bose Virtually Invisible 191 speakers (Pair). Electronics. Home Audio. Bose.
N: The Amazing Flameless Candle Heavy Drip Flameless Candle, 6 by 10-Inch, Ivory/Tan. Home & Kitchen. Home Dcor. The Amazing Flameless Candle.
O: Cyma P.1158CA Airsoft Rifle with Targeting Laser, Black. Sports & Outdoors. Sports & Fitness. CYMA.
P: GLS Audio - Dual Gold Banana Plugs Heavy Duty Plug Banana Clips - NOTE: .75" Tip to Tip (3/4") - 10 PACK. Electronics. Accessories &...
Q: Ford "Built Tough Oversized C-Handle Mug. Home & Kitchen. Kitchen & Dining. Ford.
R: Nikon M-Tactical 1Piece (20MOA Cant) 30mm. Sports & Outdoors. Sports & Fitness. Nikon.
S: Tamron Auto Focus 10-24mm f/3.5-4.5 SP Di II LD Aspherical (IF) Lens with Built-in Auto Focus Motor for Nikon Digital SLR Cameras (Model B001NII). Electronics...
T: Old World Christmas Ornaments: Clam Shell Glass Blown Ornaments for Christmas Tree. Home & Kitchen. Home Dcor. Old World Christmas.


assistant
Answer: S