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: Fitbit Wireless Activity/Sleep Tracker, Black/Blue. Sports & Outdoors. Sports & Fitness. Fitbit.
2nd: Planet Bike 3018-1 Rack Blinky 5-5 LED Tail Light with Rack Mount and Batteries. Sports & Outdoors. Outdoor Recreation. Planet Bike.
3rd: Planet Bike A.R.S. Standard bike seat - Men's. Sports & Outdoors. Outdoor Recreation. Planet Bike.
4th: HIAEFIRE Q5 CREE 240 Lumen LED Bike Bicycle flashlight Torch +1 x Bicycle Holder +3 AAA batteries + dual charger. Sports & Outdoors. Outdoor Recreation...
5th: Perfect Pushup - Original. Sports & Outdoors. Sports & Fitness. Perfect Fitness.

Options:
A: NEST Fragrances Votive Candle- Orange Blossom, 2 oz. Home & Kitchen. Home Dcor. NEST Fragrances.
B: Magellan Traffic Kit for the Maestro Series. Electronics. GPS, Finders & Accessories. Magellan.
C: Winsome 92122 Syrah Occasional Table, Espresso. Home & Kitchen. Furniture. Winsome.
D: Home Leaf Print Accent Parson Side Chairs (Set of 2). These accent chairs can add interest to a bland living room or dining room. Leaf...
E: 9-set, Tiny Mighty Frames - Wood Square Instagram Photo Frame, 6x6 (5.5x5.5 Window), 4x4 Mat (3.5x3.5 Window), Hanging (9, WHITE). Home & Kitchen. Home Dcor...
F: Calypso Basics by Reston Lloyd Acrylic Storage Canisters, Set of 3, Turquoise. Home & Kitchen. Kitchen & Dining. Reston Lloyd.
G: Wigwam Merino Comfort Hiker F2322 Sock. Sports & Outdoors. Outdoor Recreation. Wigwam.
H: Artsadd Tree of Life Gorgeous Like Leather 66"(w) x 72"(h) Bath Shower Curtain (1). Home & Kitchen. Bath. Artsadd.
I: KOOLi WooriKooli W TV Stick - Korean TV Streaming media player. Electronics. Television & Video. KooliTM.
J: Party Dimensions Crystal Cut Plastic Tray, 11-Inch, Clear. Home & Kitchen. Kitchen & Dining. Party Dimensions.
K: HDE Military Tactical Assault Army Backpack Rucksack 35L Molle Bug Out Daypack Bag for Camping Hiking Trekking Hunting Sports (Tan).
L: Pellor Tactical vest outdoor live-action CS field protective security training. Sports & Outdoors. Sports & Fitness. Pellor.
M: Hallmark Keepsake Ornament 2011 Our Favorite Pixie. Home & Kitchen. Home Dcor. Hallmark Keepsake.
N: Delton 18" Porcelain Cream Dress Doll "Lila". Home & Kitchen. Home Dcor. Delton Products.
O: Gambler Evolution Econo Scale-Pack of 1.  Gambler Lures.
P: Backup Camera,Chasoon License Plate Mount Rear View Back Up Parking Reverse Camera,Built-in Distance Scale Lines,Night Vision Waterproof Cam, Swivel Angle Adjustable Cam. Electronics. Car &...
Q: HP COLOR LIGHTSCRIBE DVD+R 16x 25 PCS CAKE BOX 5 COLORS (Discontinued by Manufacturer). Electronics. Accessories & Supplies. HP.
R: Olympiada Weight Lifting Gloves For Gym Workouts, Crossfit, Weightlifting, Powerlifting, Fitness & Cross Training - Works for many Sports - Great for Men & Women+...
S: Cold Steel Espada with Polished G10 Handle. Sports & Outdoors. Sports & Fitness. Cold Steel.
T: DIGI Light Diffuser for Nikon SB600 And Olympus FL-36 Flashes. Electronics. Camera & Photo. Digi.


assistant
Answer: G