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: Contigo AUTOSEAL Stainless Steel Vacuum Insulated Tumbler, 16 oz, Green. Home & Kitchen. Kitchen & Dining. Contigo.
2nd: Hanna Kay Mattress Protector King size. Home & Kitchen. Bedding. Hanna Kay.

Options:
A: Floureon 22 Channel FRS/GMRS 2 Way Radio 2 Miles (Up to 3 Miles) UHF Handheld Walkie Talkie (Pack of 4, Black). Electronics. Portable Audio &...
B: Old World Christmas Ornaments: Nurse Glass Blown Ornaments for Christmas Tree. Home & Kitchen. Home Dcor. Old World Christmas.
C: Cybrtrayd Life of the Party K016 Cowboy Boots West Western Chocolate Candy Mold in Sealed Protective Poly Bag Imprinted with Copyrighted Cybrtrayd Molding Instructions. Home...
D: Kastar 2Pcs Battery and Charger for Sony NP-FP30 NP-FP50 NP-FP70 NP-FP90 and Sony DCR-DVD105 DCR-DVD202 DCR-DVD203 DCR-DVD205 DCR-DVD305 DCR-DVD403 DCR-DVD405 DCR-DVD505 DCR-DVD92 DCR-SR80 HDR-HC3. Electronics...
E: Gatco 4299 Latitude II Oval Mirror, Satin Nickel. Home & Kitchen. Home Dcor. Gatco.
F: Excalibur D900CDSHD 9 Dehydrator with Trays and Clear Door, Stainless Steel, Silver. Home & Kitchen. Kitchen & Dining. Excalibur.
G: KitchenAid Stainless Steel Prep Whisk, Black. Home & Kitchen. Kitchen & Dining. KitchenAid.
H: Dimension DMN Steerer Adaptor 1" quill to 1-1/8" ThdlsBLK. Sports & Outdoors. Outdoor Recreation. Dimension.
I: Rubbermaid Configurations Deluxe Custom Closet Organizer System Kit, 4-to-8-Foot, Titanium, FG3H8900TITNM. Home & Kitchen. Storage & Organization. Rubbermaid.
J: Beachcombers Campers Salt and Pepper Set. Home & Kitchen. Kitchen & Dining. Beachcombers.
K: Dirt Devil Whiskers DSV Robotic Vacuum. Home & Kitchen. Vacuums & Floor Care. Dirt Devil.
L: Amphipod Micropack Satellite. Sports & Outdoors. Sports & Fitness. Amphipod.
M: Detachable Travel Charger for Samsung Galaxy Tab 2 7.0, Galaxy Tab 2 10.1, Galaxy Tab 7.0, Galaxy Tab 7.0 Plus, Galaxy Tab 7.7, Galaxy Tab...
N: Tamron Autofocus 18-200mm f/3.5-6.3 XR Di II Macro Lens for Nikon Digital SLR Cameras. Electronics. Camera & Photo. Tamron.
O: Cables Unlimited USB 2.0 Multi-Display to DVI, VGA & HDMI Video Adapter up to 1680 x 1050 and supports up to 6 Displays. Electronics. Accessories...
P: Sony MDR-EX71SLA Fontopia Bud-Style Headphones with Case (Black) (Discontinued by Manufacturer). Electronics. Headphones. Sony.
Q: Emotiva XPA-2 Stereo Power Amplifier. Electronics. Home Audio. Emotiva Audio.
R: Camouflage Plastic Tablecover by Unique. Home & Kitchen. Event & Party Supplies. Unique Industries.
S: MiiKey MiiSport C Black Wireless Bluetooth 4.0  Headphone with Microphone. Electronics. Headphones. MIIKEY.
T: BTExpert Battery for HP Pavillion DM1-30 DM1-3000 DM1-3000AU DM1-3001AU 3105M 5200mah 6 Cell. Electronics. Computers & Accessories. BTEXPERT.


assistant
Answer: I