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: Boker Plus Cop Tool Knife . Sports & Outdoors. Sports & Fitness. Bker.
2nd: Glock 03374 Disassembly Takedown Tool for Pin Punch. Sports & Outdoors. Sports & Fitness. Glock.
3rd: Total Gym 1400 Deluxe Home Fitness Exercise Machine Equipment with Workout DVD. Sports & Outdoors. Sports & Fitness. Total Gym.
4th: Cold Steel 91SPB Pocket Shark. Sports & Outdoors. Sports & Fitness. Cold Steel.
5th: Boker Plus Tek-Lok Adapter. Sports & Outdoors. Sports & Fitness. Bker.
6th: BLACKHAWK! Be-Wharned Folding Knife - Plain Edge Satin Blade. Sports & Outdoors. Sports & Fitness. BLACKHAWK!.
7th: ASR Tactical Impact Kerambit Personal Protection Self Defense Tool. Sports & Outdoors. Sports & Fitness. ASR Tactical.
8th: Benchmade - SOCP Dagger 176, Skelentonized Dagger. Sports & Outdoors. Outdoor Recreation. Benchmade.
9th: MTech USA Xtreme MX-8139BK Tactical Fixed Blade Knife, Stonewashed Drop Point Blade, Black Handle, 6.1-Inch Overall. Sports & Outdoors. Sports & Fitness. MTECH USA.
10th: MTECH USA MT-20-30 Series Fixed Blade Neck Knife, Drop Point Blade, G10 Handle, 4-3/4-Inch Overall. Sports & Outdoors. Sports & Fitness. MTECH USA.
11th: Boker Plus Jim Wagner Reality-Based Plain Blade Knife. Sports & Outdoors. Sports & Fitness. Bker.
12th: Kershaw Emerson’s E-Train Pocket Knife (6034TRAINER) Specially Designed Unsharpened 3.2” Blade and Patented Wave Shape Opening Feature Helps New Users Develop Skill, Precision and Tactical...
13th: BLACKHAWK! Speed Clips (6-Pack #3). Sports & Outdoors. Sports & Fitness. BLACKHAWK!.
14th: Blade Tech Industries Molle Lok Gen 3 Attachment Small Holster with Hardware, Black. Sports & Outdoors. Sports & Fitness. Blade Tech Industries.
15th: Benchmade - SOCP Rescue Tool 179. Sports & Outdoors. Sports & Fitness. Benchmade.
16th: Boker Plus 01BO911 Urban Survival LE Knives with 1 5/8 in. 440C Stainless Steel Blade in Black. Sports & Outdoors. Sports & Fitness. BOKER PLUS.
17th: Shivworks Products Group Clinch Pick. Sports & Outdoors. Sports & Fitness. Shivworks Products Group.

Options:
A: Rico Industries NFL Laser Inlaid Metal License Plate Tag, Silver. Sports & Outdoors. Fan Shop. Rico Industries.
B: Female to Male 4-way DC Power Splitter Cable - DC Power Connector Splitter for LED Strip Lights. Home & Kitchen. Seasonal Dcor.
C: Crucial 2GB Single DDR3 1066 MT/s (PC3-8500) CL7 SODIMM 204-Pin Notebook Memory Module CT25664BC1067. Electronics. Computers & Accessories. Crucial.
D: SodaSparkle Home Soda Maker Kit Easy-to-Use Sparkling Carbonated Seltzer Beverage Maker, WHITE. Home & Kitchen. Kitchen & Dining. SodaSparkle.
E: Amazon Echo Protective Case, rooCASE [Chorus] Amazon Echo Premium Synthetic Leather Protective Sleeve Skin Cover, Black. Electronics. Portable Audio & Video. rooCASE.
F: Wireless and Rechargeable Smart Boom Box Speaker Amplifier. Electronics. Portable Audio & Video. NewEar.
G: 4Fit Mens Cotton Fleece Shorts Jogging Casual Home Wear MMA Boxing Martial Art Jogger. Sports & Outdoors. Fan Shop. 4Fit Inc.
H: Lavalier Microphone Ultimate 3.5mm Lapel Mic Clip-on Video Recording Omnidirectional Condenser Compatible with iPhone Ipad Samsung Android Podcast Interview YouTube PC DSLR Camera Comcorder. Electronics...
I: Defender PRO Sentinel 8CH H.264 1 TB Smart Security DVR with Smart Phone Compatibility (21101). Electronics. Security & Surveillance. Defender.
J: Intec G5240 Universal Power Cable (Discontinued by Manufacturer). Electronics. Accessories & Supplies. Intec.
K: Water Resistant Portable Wireless Speaker by Braven. Black with Orange Relief and Gray Grill. 1400mA battery. Electronics. Portable Audio & Video. Braven.
L: Hoffner Hand Spear Tactical Fixed Blade Knife - 4-7/8 Inch Half-Serrated Blade, Full Tang 440C Spear Point, G10 Grip, MOLLE Compatible Kydex Sheath. Sports &...
M: Wusthof Culinar 3-1/2-Inch Paring Knife. Home & Kitchen. Kitchen & Dining. Wsthof.
N: FoxRiver Ragg and Leather Glove. Sports & Outdoors. Outdoor Recreation. FoxRiver.
O: Fishmasks Single Layer Neck Gaiter - Lightweight Summer Protection From Sun, Surf, Wind And Moisture, For Men And Women - Fishing Single Layer Neck Gaiter...
P: YCS Basics RCA Splitter Cable 1 Male To 2 Female Plugs. Electronics. Accessories & Supplies. YCS basics.
Q: LG D2342P-PN 23-Inch Widescreen Passive 3D LED LCD Monitor. Electronics. Computers & Accessories. LG.
R: CNCdrive UC100 USB to Parallel CNC Motion Controller. Electronics. Computers & Accessories. CNCdrive.
S: ELEC® New 8GB Metal USB Flash Drive Memory Thumb Keychain Stick Lock Pen Clip. Electronics. Computers & Accessories. ELEC.
T: Ram Mount RAM-HOL-GA36U Cradle Holder for Garmin Approach, Garmin Dakota 10 and Dakota 20 (Black). Electronics. GPS, Finders & Accessories. RAM MOUNTS.


assistant
Answer: L