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: Digipower TC-55C Travel Charger for Canon. Electronics. Camera & Photo. DigiPower.
2nd: STK Canon NB-6L NB-6LH Battery 1600mAh for Powershot SX710 HS ,SX520 HS ,SX530 HS ,SX510 HS ,S120 ,SX700 HS ,SX610 HS ,SX600 HS, D30, and...
3rd: Samsung EVO 64GB 48/MB/s  Micro SDXC Memory Card with Adapter up to (MB-MP64DA/AM). Electronics. Computers & Accessories. Samsung.

Options:
A: Luxmo CSTH4PPCK Crystal Skin Case Purple Checker fits iPod Touch 4. Electronics. Portable Audio & Video. VanMobileGear.
B: XSPC Raystorm 750 EX360 WaterCooling Kit. Electronics. Computers & Accessories. XSPC.
C: HN International Group Castle Hill T310 Stripe Sateen Sheet Set with Solid Hem, Extra Soft - Breathable & Cool Sheets - Hypoallergenic, Queen, Lavender. Home...
D: Coleman Dome Tent for Camping | Sundome Tent with Easy Setup. Sports & Outdoors. Outdoor Recreation. Coleman.
E: Oggi 7059.12 Copper Plated Stainless Steel Utensil Holder, Small, Copper. Home & Kitchen. Kitchen & Dining. Oggi.
F: Kensington K72330US SlimBlade Bluetooth Presenter Mouse. Electronics. Computers & Accessories. Kensington.
G: Shark SHKBTAR-215-black 300 Watt 100% Marine Waterproof Amp / Speakers Bluetooth SD Aux Fm w/ Lighted Speakers Black with LCD Remote. Electronics. Portable Audio &...
H: LANG - 14 oz. Ceramic Coffee Mug - "December Dawn Cardinal", Art by Rosemary Millette. Home & Kitchen. Kitchen & Dining. Lang.
I: Elite Cycling Headband Running Ear Warmer Head Band. Sports & Outdoors. Outdoor Recreation. Elite Cycling Project.
J: Skins Men's A400 Compression Power Shorts. Sports & Outdoors. Sports & Fitness. Skins.
K: Ambesonne Watercolor Flowers Decorations Collection, Spring Cherry Branches Classic Asian Style, Polyester Fabric Bathroom Shower Curtain Set with Hooks, Paprika White Grey. Home & Kitchen...
L: RUSSIAN PIPING TIPS 29 Piece set Easy To Use Complete Kit For Cake Icing Decoration. Includes 27 Food Grade Stainless Steel Flower Tips, 3-Color Coupler,...
M: Santa Barbara Design Studio That's All Ceramic Mug, Sorry You're Old. Home & Kitchen. Kitchen & Dining. Santa Barbara Design Studio.
N: Bluetooth V4.1 Wireless Headphones In-Ear Earphones w/ Noise Cancellation, Mic, APTX for iOS Android Devices (Black). Electronics. Headphones. Qable Powerz(TM).
O: Metra 72-5600 Ford Speaker Harness 1998-UP. Electronics. Car & Vehicle Electronics. Metra.
P: Cables Unlimited AUD-1375-10 10-Feet Pro A/V Series Component Video Cable. Electronics. Accessories & Supplies. Cables Unlimited.
Q: LTL Home Products SHL43 Exterior Solid Wood Louvered Window Shutters, 15" x 43", Unfinished Pine. Home & Kitchen. Home Dcor. LTL Home Products.
R: PATENT PENDING EcoJeannie Jumbo Size FLAT PRESS 100% Stainless Steel Lemon Squeezer with Silicone Handle Cover for Pressing lemon-half FLAT, Never Rust Never Break, Ultimate...
S: Nixeus Noise Canceling Headphone Black (ER-BKSL14). Electronics. Headphones. Nixeus.
T: Rattler Scaletech Snake Protection Chaps. Sports & Outdoors. Sports & Fitness. Rattler.


assistant
Answer: O