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 items in listed options based on the user's purchase history to determine the item that the user is most likely to purchase next. Output the item with the highest likelihood of being the next purchase.

Input:
Purchase History:
1st: OtterBox Defender Series Case for iPad 2/3/4, Black, Retail Packaging (77-18640)(not compatible with any version of ipad mini/ipad air). Electronics. Computers & Accessories. OtterBox.
2nd: Zooka Wireless Speaker for iPad and Bluetooth Devices (Orange). Electronics. Portable Audio & Video. Carbon Audio.
3rd: HDE Plastic Hard Shell Case and Keyboard Cover for MacBook Pro 13 with Retina Display (Models: A1425/A1502), Black Flowers. Electronics. Computers & Accessories. HDE.
4th: HDE Plastic Hard Shell Case and Keyboard Cover for MacBook Pro 13 with Retina Display (Models: A1425/A1502), Pink Flowers. Electronics. Computers & Accessories. HDE.

Options:
A: Hunting Crossbow Survival Arrow Equipment Aluminum Red 16 Inch. Sports & Outdoors. Sports & Fitness. iGlow.
B: Roma F.C. Black Crossbody or Shoulder Carry Leather Locking Concealment Purse - CCW Concealed Carry Gun Bag. Sports & Outdoors. Sports & Fitness. Roma F.C.
C: Tiered Serenity LED Indoor Fountain, Tabletop. Home & Kitchen. Home Dcor. Newport coast collection.
D: Red Co. Crystal Glass Lovely Flower Bouquet with Vase, Gift Boxed - Fantasy Flowers. Home & Kitchen. Home Dcor. Red Co.
E: Norton Internet Security 2009 - Good ASIN B001E0RZ3U. Electronics. Computers & Accessories. Symantec.
F: Daphne's Boston Terrier Headcovers. Sports & Outdoors. Sports & Fitness. Daphne's Headcovers.
G: Windshield Mounting Bracket for Beltronics / Escort Radar Detectors. Electronics. Car & Vehicle Electronics. XLT Communications.
H: Coleman Road Trip Grill Tools. Sports & Outdoors. Outdoor Recreation. Coleman.
I: XCSource Square Filter set 12pcs ND2 ND4 ND8 ND16 Filters + 9pcs Ring Adapter + 1pcs Filter Holder for Cokin P series LF74. Electronics. Camera...
J: Infrared Resources 25ft Shielded extension cable with 3.5mm jack and plug for all mono and stereo connections. Electronics. Accessories & Supplies. Infrared Resources.
K: Quarantine Zombie Killer Folding Tactical Pocket Knife. Sports & Outdoors. Sports & Fitness. QUARANTINE.
L: HDE Plastic Hard Shell Case and Keyboard Cover for MacBook Pro 13 with Retina Display (Models: A1425/A1502), Orange. Electronics. Computers & Accessories. HDE.
M: Logitech Rechargeable Touchpad T650 with Windows 8 Multi-Touch Navigation - Black (910-003057) - (Certified Refurbished). Electronics. Computers & Accessories. Logitech.
N: Under Armour Women's Tech Space Dye Long Sleeve. Sports & Outdoors. Sports & Fitness. Under Armour.
O: Sportsman's Outdoor Products Tarantula Tube Armguard (Camo, Large). Sports & Outdoors. Sports & Fitness. Sportsman's Outdoor Products.
P: Yamaha NS-C444 2-Way Center Channel Speaker Black. Electronics. Home Audio. Yamaha Audio.
Q: Happy Sales Ramen Udong Noodle Soup Cereal Bowl w/Chopsticks (Bazaar). Home & Kitchen. Kitchen & Dining. Happy Sales.
R: Canon AC Adapter Kit ACK-DC30. Electronics. Camera & Photo. Canon.
S: Scanpan 67022404 CSX Covered Fry Pan, 9.5-Inch. Home & Kitchen. Kitchen & Dining. Scanpan.
T: Rubbermaid Shelf Organization, Under Shelf Pull Out Drawer, Small, Black 1780725. Home & Kitchen. Kitchen & Dining. Rubbermaid.


assistant
Answer: L