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: Given the products the user has purchased in history, rank the items in the listed options and output the item that the user is most likely to purchase next. Answer from one of the options.

Input:
Purchase History:
1st: ROSEWILL Micro ATX Mini Tower Computer Case with PSU, Steel Computer Case + 400w Power Supply, Front I/O: 2x USB 2.0 and Audio In/Out And...
2nd: Xion Performance mATX USB 3.0 Tower Case Black/Blue XON-310_BK. Electronics. Computers & Accessories. Xion.
3rd: BitFenix Micro ATX, Mini-ITX Motherboard Cases BFC-PRM-300-KKWSK-RP Black. Electronics. Computers & Accessories. BitFenix.
4th: Nanoxia CoolForce 20 cm Ultra Bright Rigid LED Bar, UV. Electronics. Computers & Accessories. Nanoxia.
5th: Custom Acrylic Flying Dragon Computer Fan Grill 140mm. Electronics. Computers & Accessories. Inspired Laser Design.
6th: Thermaltake 200mm Luna 20 Series White LED High Airflow Case Fan CL-F026-PL20WT-A. Electronics. Computers & Accessories. Thermaltake.

Options:
A: Elvex RX500 Full Lens 2.0 Magnification Ballistic Rated Safety Glasses with Microfiber Carrying bag and Cord WELRX500C-2.0KIT2. Sports & Outdoors. Sports & Fitness. Elvex.
B: Logitech QuickCam for Notebooks (Silver). Electronics. Computers & Accessories. Logitech.
C: Bonny Bar Stainless Steel Double Jigger. Home & Kitchen. Kitchen & Dining. Bonny Bar.
D: Commercial Bargains 1 Vacuum Food Sealer Saver Storage Bag Rolls 11" Wide 50' FT Long Bulk Freezer. Home & Kitchen. Kitchen & Dining. Commercial Bargains.
E: Metra 82-8148 6" to 6-3/4" Speaker Adapter for Select Toyota/Lexus/Scion 1998-Up Vehicles. Electronics. Car & Vehicle Electronics. Metra.
F: ASUS RAMPAGE V EXTREME, Extended ATX x99 Motherboard , LGA 2011-V3 Socket, DDR4 3300Mhz+(OC). Electronics. Computers & Accessories. Asus.
G: Dell DS1000 USB-Type C Dock with Monitor Stand with VESA Quick Release (VT96R). Electronics. Accessories & Supplies. Dell.
H: APEVIA AF512L-SBL 120mm Blue LED Ultra Silent Case Fan w/ 15 LEDs & Anti-Vibration Rubber Pads (5-pk). Electronics. Computers & Accessories. Apevia.
I: Fender ST-275 Tripod Speaker Stands. Electronics. Camera & Photo. Fender.
J: [Durable,No Deformation] iClever BoostLink iPhone Charger Cable, 3ft Apple MFi Certified Nylon Braided Lightning to USB Cable for iPhone X/ 8/ 8 Plus/ 7/ 6s/...
K: Dc-501 Ryobi Electric Carving Knife. Home & Kitchen. Kitchen & Dining. Ryobi.
L: Zenna Home 2127HB, Tension Corner Pole Caddy, Oil Rubbed Bronze. Home & Kitchen. Bath. Zenna Home.
M: Adecco LLC 3.5mm Gold 1/8 Stereo Mini Jack Male to 2 Female RCA Adapter Audio (male to 2 female). Electronics. Accessories & Supplies. Adecco LLC.
N: Sunpentown NY-636 3-4/5-Liter Chinese Herbal Medicine Cooker with Stainless Heater. Home & Kitchen. Kitchen & Dining. Sunpentown.
O: Vicious Teknology Magic Trio Peeler - Peel Cheese, Fruit, Veggie in Seconds with Sharp Stainless Steel Blade - 3PCS. Home & Kitchen. Kitchen & Dining...
P: ECOOPRO Over Ear Stereo Headphones for MP3 MP4 PC Tablets Mobiles- Adjustable, Lightweight & Portable (I50 Black). Electronics. Computers & Accessories. ECOOPRO.
Q: Komax Ice Cube Tray with No-spill Cover (Set of 2). Home & Kitchen. Kitchen & Dining. Komax.
R: Titanic Rambler, Double Wall Vacuum Insulated Stainless Steel Tumbler Cups, Cooler Than Yeti, 30 oz, Setoff 2. Sports & Outdoors. Outdoor Recreation. Titanic.
S: Loen®Cup For Keurig VUE Brewers Reusable Coffee Filter Works In All Keurig Machine. Home & Kitchen. Kitchen & Dining. LOEN.
T: Spyderco Pacific Salt Yellow FRN H-1 Spyderedge. Sports & Outdoors. Sports & Fitness. Spyderco.


assistant
Answer: H