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 the items in options and predict the user's next purchase from the listed options by analyzing her historical purchases.

Input:
Purchase History:
1st: Philips DVP3680 DVD Player - Black. Electronics. Television & Video. Philips.
2nd: HP KS523AA USB TV Tuner. Electronics. Computers & Accessories. HP.
3rd: Syba USB 3.0 Dual Hard Drive SATA II Docking Station CL-ENC50038. Electronics. Computers & Accessories. Syba.

Options:
A: VIZIO VSB200 Universal HD Sound Bar (Discontinued). Electronics. Home Audio. VIZIO.
B: InterDesign Axis Free Standing Bathroom or Shower Corner Storage Shelves for Towels, Soap, Shampoo, Lotion, Accessories - 3 Tier, Satin. Home & Kitchen. Bath. InterDesign.
C: Samsung HT-E4500 HTIB 5.1 Channel 3D Blu-ray 1000-Watt Home Theater System. Electronics. Television & Video. Samsung.
D: JinStyles Accent Decorative Throw Pillow Cover, Square, Chevron, Black, 16 x 16, 1 Cover. Home & Kitchen. Bedding. JinStyles.
E: Replica Colonial or Pirate Handcuffs - Iron Jailor Cuffs - Functional. Sports & Outdoors. Sports & Fitness. ITDC.
F: NBA Men's Athletic Don't Judge Program Tops. Sports & Outdoors. Fan Shop. VF LSG.
G: Hunters Specialties Doe Estrus Bleat Deer Calls. Sports & Outdoors. Sports & Fitness. Hunters Specialties.
H: WEB Filter Charger, 14 oz. Home & Kitchen. Heating, Cooling & Air Quality. WEB.
I: Pachmayr 02523 Compact Grips, Charter Arms. Sports & Outdoors. Sports & Fitness. Pachmayr.
J: Preserve Everyday 16 Ounce Cups, Set of 4, Blue. Home & Kitchen. Kitchen & Dining. Preserve.
K: Ekco Melamine Ladle. Home & Kitchen. Kitchen & Dining. Ekco.
L: brite-View Playtime (BV-3100) 1080p HD Multimedia Player - white. Electronics. Television & Video. Zinwell.
M: Tucano USA Second Skin Script Microfiber Sleeve For MacBook Pro 15.4" Color: Gray. Electronics. Computers & Accessories. Tucano.
N: CableWholesale Phone Splitter (Straight), RJ45 8P8C Male to 2 RJ45 8P8C Female. Electronics. Accessories & Supplies. CableWholesale.
O: Giantex 600lb Heavy Duty Utility Trailer Mover Hitch Boat Jet Ski Camper Hand Dolly. Sports & Outdoors. Sports & Fitness. Giantex.
P: Canon LP-E8 LPE8 Equivalent to OEM LC-E8 Replacement 1 Hour Battery Charger For The Canon Rebel T4i, (650D), T2i 550D, T3i, EOS 600D DSLR Digital...
Q: QING OUTDOOR Stretchy Non Slip Ponytail Headband Sports Sweatband Great For Workout Running Yoga Cycling. Sports & Outdoors. Sports & Fitness. QING OUTDOOR.
R: Sony DVP-SR370 Multisystem DVD Player - Region 4 Latin America, Central America, South America and Australia- 110 & 220 Volt with Travel Adapter - Black...
S: 75 Colored Plastic Clothespins. Home & Kitchen. Storage & Organization. Deluxe.
T: SharkNinja Steam Iron, Red. Home & Kitchen. Irons & Steamers. SharkNinja.


assistant
Answer: R