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: Replacement T100 Headset Headphone Ear+Adjustable Volume+Mute Control Phone for Nortel Networks Nt Nothern Telecom Meridian PBX Norstar Nec Electra Mitel Polycom Toshiba Avaya Lucent Voip...
2nd: Microsoft - Type Cover for Surface Pro 3 - Blue. Electronics. Computers & Accessories. Microsoft.
3rd: Exact Microsoft Surface Pro 3 Case [PRO Series] - Professional Slim-Fit PU Leather Folio Case for Microsoft Surface Pro 3 12-inch Tablet Black. Electronics. Computers...
4th: Microsoft Surface Pro 3 (4GB RAM 64 GB SSD, Intel Core i3, Windows 8.1). Electronics. Computers & Accessories. Microsoft.
5th: Digital Galaxy DG-737 HDMI 1080P Compatible LCD Projector,US warranty and support. Electronics. Video Projectors. Dolce & Gabbana.
6th: Apple MMGF2LL/A MacBook Air 13.3-Inch Laptop (8GB RAM 128 GB SSD) MMGF2. Electronics. Computers & Accessories. Apple.
7th: HyperX Kingston Technology Impact 4GB 2133MHz DDR4 CL13 SODIMM Laptop Memory HX421S13IB/4. Electronics. Computers & Accessories. HyperX.

Options:
A: Wartech Tactical Spring Assisted Rescue Knife. Sports & Outdoors. Sports & Fitness. Wartech Tactical.
B: Ultimate Ears MetroFi 150v Noise Isolating Earphones with Microphone. Electronics. Headphones. Ultimate Ears.
C: Amco Stainless Steel Mixing Bowl with Non-Skid Silicone Bottom, 4-1/2-Quart. Home & Kitchen. Kitchen & Dining. Amco.
D: Core Bamboo 8-Inch Hourglass Bamboo Salt and Pepper Mill Set. Home & Kitchen. Kitchen & Dining. Core Bamboo.
E: eForCity Snap-On Case for iPod touch 4G (Purple Heart). Electronics. Portable Audio & Video. eForCity.
F: TRENDnet Powerline 200 AV Adapter with 3-Port Ethernet, TPL-305E. Electronics. Computers & Accessories. TRENDnet.
G: SquareTrade 3-Year Floor Care Extended Protection Plan ($175-199.99). Electronics. Electronics Warranties. SquareTrade.
H: Avenir Regular Schrader Valve Tube (16 x 1.75-2.125). Sports & Outdoors. Outdoor Recreation. Avenir.
I: ASUS ROG G752VY-DH72 17-Inch Gaming Laptop, Nvidia GeForce GTX 980M 4 GB VRAM, 32 GB DDR4, 1 TB, 256 GB NVMe SSD. Electronics. Computers &...
J: Premium Meat Claws Pulled Pork Fork Meat Forks Meat Shredder and Pork Puller Barbecue Claws Meat Shredder Claws Meat Handler Salad Mixer. Home & Kitchen...
K: Callaway Golf XTT Xtreme 2 Pack Glove. Sports & Outdoors. Sports & Fitness. Callaway Golf.
L: Bissell Left Side 2x 8920 9200 9300 Geared Belt, 2 1/4". Home & Kitchen. Vacuums & Floor Care. Bissell.
M: 1 X Universal Sword Hanger/Display. Sports & Outdoors. Sports & Fitness. Unknown.
N: Cathe Friedrich's XTrain Series: Ride DVD. Sports & Outdoors. Sports & Fitness. Cathe Friedrich.
O: Equity by La Crosse 70903 Soft Green Cube LCD Alarm Clock. Home & Kitchen. Home Dcor. Equity by La Crosse.
P: Fluffy Cloud Cutter Set of 5 by FMM. Home & Kitchen. Kitchen & Dining. FMM SUGARCRAFT.
Q: Game Of Thrones - GIANT XXL TV Show Poster (Map Of Westeros & Essos) (Size: 55" x 39"). Home & Kitchen. Wall Art. POSTER STOP...
R: Kitchen IQ Diamond Edge Gourmet Electric and Manual Knife and Scissors Sharpener. Home & Kitchen. Kitchen & Dining. KitchenIQ.
S: Amscan International 679468 Decorating Hanging Swirl Halloween Party Set. Home & Kitchen. Seasonal Dcor. Amscan.
T: NACH XH-9593 Decorative Cast Iron Cat, Antique Rust. Home & Kitchen. Home Dcor. NACH.


assistant
Answer: I