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: Based on the user's historical purchases, rank the items in options and predict the next product of the user's interest from the provided options.

Input:
Purchase History:
1st: Black Mountain Products Single Resistance Band - Door Anchor and Starter Guide Included. Sports & Outdoors. Sports & Fitness. Black Mountain.
2nd: GoSports Premium Metal Ladder Toss Game Set. Sports & Outdoors. Sports & Fitness. GoSports.
3rd: Outlander Ultra Lightweight Packable Water Resistant Travel Hiking Backpack Daypack Handy Foldable Camping Outdoor Backpack. Sports & Outdoors. Outdoor Recreation. Outlander.

Options:
A: TopCabin Cycling LOCK-ON Bicycle Handlebar Grips Cycle Bicycle Mountain Bike BMX Grips (Black A pair)). Sports & Outdoors. Outdoor Recreation. TOPCABIN.
B: Spider International E Series E-EAPH-0001 realvoice Audiophile Earphone - Black (Discontinued by Manufacturer). Electronics. Headphones. Spider International Inc.
C: SHIMANO SPD platform+reflector set, SM-PD22 pr. Sports & Outdoors. Outdoor Recreation. SHIMANO.
D: Sony SLT-A58K A58 A58K SLTA58K Digital SLR Kit with 18-55mm Zoom Lens, 20.1MP SLR Camera with 3-Inch LCD Screen (Black) Ultimate Bundle with 32GB High...
E: Mainstays 5x7 Format Picture Frame, Set of 12. Home & Kitchen. Home Dcor. Mainstay`.
F: Park Tool Nipple Driver. Sports & Outdoors. Outdoor Recreation. Park Tool.
G: Under Armour Alter Ego Hulk Compression Short Sleeve T-Shirt. Sports & Outdoors. Sports & Fitness.
H: Memorex Traveldrive 8GB USB 2.0 Flash Drive. Electronics. Computers & Accessories. Memorex.
I: SF Cable, 3 RCA Male to 3 RCA Female Audio Video Extension Cable (25 Feet). Electronics. Accessories & Supplies. SF Cable.
J: GadKo Micro USB 2.0 Cable, Black, Type A Male / Micro-B Male, 1 foot. Electronics. Computers & Accessories. GadKo.
K: WELLAND Wall-Mounted Storage Shelf with 2 Drawers, Espresso. Home & Kitchen. Home Dcor. WELLAND.
L: Bangkokpants Women's Harem Pants Bohemian Clothes Boho Yoga Hippie Pants Smocked Waist. Sports & Outdoors. Sports & Fitness. Bangkokpants.
M: OneTigris 1000D Nylon Tactical MOLLE Drop Leg Platform for Hunting/Paintball/Airsoft. Sports & Outdoors. Sports & Fitness. OneTigris.
N: Wilson Hyper Hammer 5.3 Tennis Racquet - Strung With Cover. Sports & Outdoors. Sports & Fitness. Wilson.
O: Memorex LASER LENS CLEANER FOR DVD (32028015). Electronics. Accessories & Supplies. Memorex.
P: Elzetta ZSM-T Flashlight Mount for Tactical Shotgun, Remington 870, Mossberg 500, Quick Release Thumbscrew Model. Sports & Outdoors. Sports & Fitness. Elzetta.
Q: GreatShield Ultra Anti-Glare (Matte) Clear Screen Protector Film for ASUS VivoTab RT / TF600T Tablet (3 Pack). Electronics. Computers & Accessories. GreatShield.
R: TufForce Dovetail Rail to Picatinny/Weaver Rail Adaptor for .22 Airgun or Marlin Model 60, USA Patent Granted. Sports & Outdoors. Sports & Fitness. TufForce.
S: Kanex Thunderbolt 3 to Thunderbolt Adapter. Electronics. Accessories & Supplies. Kanex.
T: Muzzle Brake Alignment Shim Set For Threaded Rifle Barrels (1/2"). Sports & Outdoors. Sports & Fitness. Shim Co.


assistant
Answer: L