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: Sigma 30mm f/1.4 EX DC Lens for Pentax and Samsung Digital SLR Cameras. Electronics. Camera & Photo. Sigma.
2nd: Sigma 30mm f/1.4 EX DC HSM Lens for Canon Digital SLR Cameras. Electronics. Camera & Photo. Sigma.
3rd: Manfrotto 468MGRC4 Hydrostatic Ball Head with RC4 Rapid Connect System (3271). Electronics. Camera & Photo. Manfrotto.

Options:
A: Achim Home Furnishings Morning Star Mini Blinds, 32 by 72-Inch, White. Home & Kitchen. Home Dcor. Achim Home Furnishings.
B: Zelda Master Twilight Princess Link's 42" Sword All Foam. Sports & Outdoors. Sports & Fitness. Etrading.
C: Melitta 80395 Coffee Grinder (Discontinued). Home & Kitchen. Kitchen & Dining. Melitta.
D: Gaiam Apparel Womens Skye Yoga Capri. Sports & Outdoors. Sports & Fitness. Gaiam.
E: Circulon Acclaim Hard Anodized Nonstick 10-Piece Cookware Set. Home & Kitchen. Kitchen & Dining. Circulon.
F: Agility Hand Paddles. Sports & Outdoors. Sports & Fitness. FINIS.
G: Kurt Adler Glass Red And Gold Oriental Dragon Ornament. Home & Kitchen. Home Dcor. Kurt Adler.
H: Canon EOS 5D Mark II Full Frame DSLR Camera (Body Only) (OLD MODEL). Electronics. Camera & Photo. Canon.
I: 36" Rustic Dimensional Barn Star - Black. Home & Kitchen. Home Dcor. Gardman.
J: BANBERRY DESIGNS 11" Wooden Easel - Set of 2 - Mahogany Finish - Wood Folding Easels - Plate Stands. Home & Kitchen. Home Dcor. BANBERRY...
K: All Ing Apple Corer slicer peeler. Home & Kitchen. Kitchen & Dining. hooya.
L: Tropical Siesta Authentic Alpaca Queen Size Blanket Throw. Home & Kitchen. Bedding. Tropical Siesta.
M: Darice 1 Piece, 5 x7 inch, Natural Wood Frame, Assorted Styles. Home & Kitchen. Home Dcor. Darice.
N: Galco Cop 3 Slot Holster for Ruger P90, P85, P89, P93D, P94, P95, P97, P345. Sports & Outdoors. Sports & Fitness. Galco Gunleather.
O: Park Tool GP-2 Pre-Glued Super Patch Puncture Repair Kits (Pack of 5 Kits). Sports & Outdoors. Outdoor Recreation. Park Tool.
P: Victoria Rolled Arm Leather Chair Warm Brown. Home & Kitchen. Furniture. Coaster Home Furnishings.
Q: Make My Day Adapt-a-Bowl Silicone Bowls, Lime, Set of 4. Home & Kitchen. Kitchen & Dining. Make My Day.
R: AVANTEK iPad Pro 12.9 Keyboard Case, Ultra-Thin Wireless Bluetooth Keyboard Folio Case for Apple iPad Pro 12.9 Inch, Built-in Stand Groove with 130 Degree Swivel...
S: Clear Jumbo Cupcake Muffin Container Boxes Holds 4 jumbo Cupcake muffins each - 11 boxes. Home & Kitchen. Kitchen & Dining. Decony.
T: Funny Guy Mugs Might Be Beer Collapsible Neoprene Can Coolie - Drink Cooler. Home & Kitchen. Kitchen & Dining. Funny Guy Mugs.


assistant
Answer: H