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: ProCase Nexus 7 Slim Leather Folio Cover Multi-Angle Case For Google Nexus 7 Tablet with Auto Sleep/Wake -Purple. Electronics. Computers & Accessories. ProCase.
2nd: Sony MDR-EX37B/BLK Earbud Style Headphones. Electronics. Headphones. Sony.
3rd: FYY Google Nexus 9 Case - Ultra Slim Lightweight Premium PU Leather Smart Cover Multi-Angle Stand Case for Google Nexus 9 Cyan (With Auto Wake/Sleep...

Options:
A: Maddog Sports Attack Tactical Paintball Vest with Tank and Pod Holder Attachments - Black. Sports & Outdoors. Sports & Fitness. MAddog.
B: Design Toscano Arthurian Knight Medieval Decor Bookend Statues, 8 Inch, Set of Two, Polyresin, Grey Stone. Home & Kitchen. Home Dcor. Design Toscano.
C: SUPERNIGHT Samsung Galaxy Tab 4 8.0 Bluetooth Keyboard Portfolio Leather Case - Detachable Wireless Bluetooth Keyboard Stand Case / Cover for Samsung Galaxy Tab 4...
D: Garmin Approach G7 Golf Course GPS. Electronics. GPS, Finders & Accessories. Garmin.
E: YDLan New LAPTOP LCD FLEX VIDEO CABLE for DELL INSPIRON 1545 50.4AQ08.001-A01. Electronics. Computers & Accessories. Dell.
F: Duck Commander Jase Robertson Pro Series Duck Call. Sports & Outdoors. Sports & Fitness. DUCK COMMANDER.
G: Nxt Generation X-Flite Youth Boys Compound Bow. Sports & Outdoors. Sports & Fitness. Nxt Generation.
H: Better Houseware Plate Hanger (1900/6). Home & Kitchen. Kitchen & Dining. Better Houseware.
I: Compatible HP Mini 210-1010NR Battery High Capacity. Electronics. Computers & Accessories. CBD®.
J: Gothic Gargoyle Sculptural Bookends Book Ends. Home & Kitchen. Home Dcor. Pacific Trading.
K: Moeller Johnson/Evinrude Female Barb Fuel Line Engine Connector, 38/-inch. Sports & Outdoors. Sports & Fitness. Moeller Marine.
L: Panasonic Lumix DMC-LZ2 5MP Digital Camera with 6x Image Stabilized Optical Zoom (Silver). Electronics. Camera & Photo. Panasonic.
M: Women's Premium Thinsulate Lined/Waterproof Snowboard Gloves. Sports & Outdoors. Outdoor Recreation. Urban Boundaries.
N: SainSmart 2-in-1 3D Printer Mainboard Controller Panel for RepRap Arduino, Combination of Mega2560 R3 and Ramps 1.4. Electronics. Computers & Accessories. SainSmart.
O: Ultra-Compact Foldable Wireless Bluetooth Full Standard Keyboard For Smartphones And Tablets. Electronics. Computers & Accessories. Ukonnect.
P: CorningWare Cast Aluminum Dutch Oven with Dual Handles and Glass Cover, 5 1/2-Quart, White. Home & Kitchen. Kitchen & Dining. CorningWare.
Q: Clear Flower Non-slip saftey shower and bathtub stickers. Home & Kitchen. Bath. Wazel.
R: Table Runner or Dresser Scarf with Antique White Lace and Antique Fabric, Various Sizes Available. Home & Kitchen. Kitchen & Dining. Shenhai.
S: SkyCaddie SkyGolf SG3 and SG4 USB/Power "Y" Cable. Electronics. Accessories & Supplies. SkyCaddie.
T: Decorative Black Bear in a Beehive Honey Pot Toothpick Holder Figurine for Cabin or Rustic Lodge Decor Sculptures and Statuettes As Collectible Wildlife Animal Gifts...


assistant
Answer: O