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: LG 42LH30 42-Inch 1080p LCD HDTV, Gloss Black. Electronics. Television & Video. LG.
2nd: Polk Audio RC60i 2-way Premium In-Ceiling 6.5" Round Speakers, Set of 2 Perfect for Damp and Humid Indoor/Outdoor Placement - Bath, Kitchen, Covered Porches (White,...

Options:
A: Altec Lansing inMotion iM3C Portable Audio System for iPod (White). Electronics. Portable Audio & Video. Altec Lansing.
B: Convenience Concepts Designs4Comfort Storage Ottoman, Dark Espresso. Home & Kitchen. Furniture. Convenience Concepts.
C: Polk Audio RC6s In-Ceiling Stereo Speaker (Single, White). Electronics. Home Audio. Polk Audio.
D: Columbia Men's Perfect Cast Boat Shoe. Sports & Outdoors. Sports & Fitness.
E: Dual Feed Thru Wall Bushings w/Knockout Blk 100BAG. Electronics. Accessories & Supplies. Unknown.
F: Sigma 17-70mm f/2.8-4.5 DC HSM Macro Lens for Nikon DSLR. Electronics. Camera & Photo. Sigma.
G: Customized Designs 24" 3 Step Led Lighted Bottle Display Shelf with LED Color Changing Lights. Home & Kitchen. Furniture. Customized Designs.
H: NinjaBatt Laptop Battery for Dell J1KND Inspiron N5110 N7110 N5050 N7010 N5010 N4110 N4010 N5040 N5030 M5030 3520 15R 17R Vostro 1540 3750 3550 312-1201...
I: Gibson Barberware 16 Piece Dinnerware Set, Brick. Home & Kitchen. Kitchen & Dining. Gibson.
J: Hippih Silent Wall Clock Wood 9 inch Non Ticking Digital Quiet Sweep Decorative Vintage Wooden Clocks A. Home & Kitchen. Home Dcor. HIPPIH.
K: RAM Mount RAM Mount Marine Electronics Universal Mount - Gimbal Bracket Under 10lbs. Electronics. GPS, Finders & Accessories. RAM MOUNTS.
L: Extreme EXC-3 Weighted 3-Cue Pool Cue Holder. Sports & Outdoors. Sports & Fitness. Extreme.
M: Huntingdoor 12Pack 3 Fixed Blade Archery Broadheads 125 Grain Arrow Head Hunting Arrow Tips for Compound Bow and Crossbow. Sports & Outdoors. Sports & Fitness...
N: Orange Collectible Fruit Ceramic Sugar and Jam Jar. Home & Kitchen. Kitchen & Dining. SUMMIT COLLECTION.
O: Monarch Specialties I 2542, Bookcase, Ladder with 2-Storage Drawers, Cappuccino, 69"H. Home & Kitchen. Furniture. Monarch Specialties.
P: Vello Wireless ShutterBoss Timer Remote (Canon 3-Pin Connection) - Canon EOS: 10D, 20D, 30D, 40D, 50D, 5D, 5D Mark II, 5D Mark III, 6D, 7D,...
Q: Topeak Modula Waterbottle Cage 2. Sports & Outdoors. Outdoor Recreation. Topeak.
R: HP ElitePad Dock - Base (Docking, HP, ElitePad, Black). Electronics. Computers & Accessories. HP.
S: IMI Defense Handgun Pistol Scope Mount for Sig Sauer or M1913 rails Zig - IMI Mount. Sports & Outdoors. Sports & Fitness. IMI-Defense.
T: Pachmayr Grips For Walther Ppk/S (New Generation S&W). Sports & Outdoors. Sports & Fitness. Pachmayr.


assistant
Answer: C