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: Fractal Design Cases FD-CA-DEF-Nano-S-BK-W. Electronics. Computers & Accessories. Fractal Design.
2nd: EVGA GeForce GTX 1070 Founders Edition, 8GB GDDR5, LED, DX12 OSD Support (PXOC) Graphics Card 08G-P4-6170-KR. Electronics. Computers & Accessories. EVGA.

Options:
A: Mr Shield For Amazon Fire HD 7 (2014 Version 4th Generation) Anti-Glare [Matte] Screen Protector [3-PACK] with Lifetime Replacement Warranty. Electronics. Computers & Accessories. Mr...
B: EXTRA LARGE Bamboo Cutting Board for Kitchen with Juice Groove - Thick, Non-Slip Laminated Layers for Meat Carving (Butcher Block) - Anti Microbial Chopping Board...
C: Wifi Temperature Humidity sensor with Buzzer and Email / Text Alerts. Electronics. Security & Surveillance. Proteus.
D: Yamaha RX-V1800BL 7.1-Channel Home Theater Receiver (Black) (Discontinued by Manufacturer). Electronics. Home Audio. Yamaha Audio.
E: Crystal Allies Materials: 1lb Tumbled Amethyst Quartz from Brazil -Small 1/2 Polished Natural Stones for Reiki Crystal HealingWholesale Lot. Home & Kitchen. Home Dcor. Crystal...
F: Orion 15160 44x11.5x13.5 - Inches Padded Telescope Case. Electronics. Camera & Photo. ORION.
G: Nokia OEM ORIGINAL Nokia HS-47 Stereo Earbud Handsfree Headset for the 5300 XpressMusic 5200 7373 7390 6300 E61 E62 E90 BLACK. Electronics. Headphones. Nokia.
H: Ambesonne Western Decor Collection, American Desert Arizona Canyon Monument Valley and National Park Picture, Polyester Fabric Bathroom Shower Curtain Set with Hooks, Peru Blue. Home...
I: iHip IP-SKULL-BK Eyes Skull Earphones with LED LIGHT (Black with Red) (Discontinued by Manufacturer). Electronics. Headphones. iHip.
J: Scentsy Nature's Haven Full-Size Scentsy Warmer PREMIUM. Home & Kitchen. Home Dcor. Scentsy.
K: CRYORIG H7 Tower Cooler For AMD/Intel CPU's. Electronics. Computers & Accessories. Cryorig.
L: Dark Energy® Reservoir High Capacity External Portable Backup Battery Charger w Dual USB & Built-In Protection for Smartphone, Tablet, Google Glass, iPhone, iPad - BLACK...
M: LG Electronics Internal DVD Writer Drive BU20N. Electronics. Computers & Accessories. LG.
N: Turkish Bath Towel with Thin Dark Blue Stripes. Home & Kitchen. Bath. Turkish Towel Store.
O: New Twist-Lock Spice Ball Tea Infuser Herb Infuser, Stainless Steel, Extra Large Size (3 ½" x 3 ½"). Home & Kitchen. Kitchen & Dining. Happy...
P: i.Trek Motorcycle Mirror Mount for Digital Camera, GPS, Video Recorder (Black). Electronics. GPS, Finders & Accessories. i.Trek.
Q: 16GB KIT (4 x 4GB) For Dell Studio Desktop Series XPS 435 XPS 7100 XPS 8000 XPS 8100 XPS 8300 XPS 9000 XPS 9100. DIMM...
R: Wine Bottle Stopper Taper Candle Candleabra Black Scroll-4 Arms. Home & Kitchen. Kitchen & Dining. HomeWetBar.
S: Nespresso C121-US4-RE-NE1 Espresso Maker with Aeroccino Milk Frother, Red. Home & Kitchen. Kitchen & Dining. Nespresso.
T: Dyson Cool AM07 Air Multiplier Tower Fan, fds, Black/Nickel. Home & Kitchen. Heating, Cooling & Air Quality. Dyson.


assistant
Answer: K