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: Based on the user's historical purchases, rank the items in options and predict the next product of the user's interest from the provided options.

Input:
Purchase History:
1st: Troy Barbell Olympic Plate Rack and Bar Holder. Sports & Outdoors. Sports & Fitness. Troy Barbell.
2nd: Concept2 Model D Indoor Rowing Machine with PM5. Sports & Outdoors. Sports & Fitness. Concept2.
3rd: Sling Shot Grippy Hip Circle by Mark Bell. Sports & Outdoors. Sports & Fitness. Sling Shot.

Options:
A: Skeleton Key Cast iron Coat Hook & Key Rack set of 4. Home & Kitchen. Storage & Organization. Upper Deck LTD.
B: Etekcity CN-160 LED Dimmable Ultra High Power Panel Digital Camera / Camcorder Video Light, LED Light for Canon, Nikon, Pentax, Panasonic, Sony, Leica , Samsung...
C: Betty Boop Travel Mug, Black. Home & Kitchen. Kitchen & Dining. Betty Boop.
D: Back to Basics Cherry Syrup, 16-Ounce (Discontinued by Manufacturer). Home & Kitchen. Kitchen & Dining. Back to Basics.
E: Tissue Paper Tassel DIY Party Garland (20 Tassels Per Package) - 14 Inch Long Tassels (Peach-Ivory-Tan-Gold). Home & Kitchen. Event & Party Supplies. Party N...
F: JENSEN VM9424BT 6.2" GPS/NAVIGATION Car DVD/CD Player. Electronics. Car & Vehicle Electronics. Jensen.
G: Dark Iron Fitness Genuine Leather Pro Weight Lifting Belt for Men and Women | Durable Comfortable & Adjustable with Buckle | Stabilizing Lower Back Support...
H: 1 DAY SALE Infuser Water Bottle 27 Ounce NO BPA Sports Flavor Fruit Infusion Bottle - PLUS Recipe Ebook and Cleaning Brush INCLUDED. Sports &...
I: Fashion Lunch Bag Tote for Women Work School Travel Make Up Bag Diaper Organizer Bag. Home & Kitchen. Kitchen & Dining. Chrysansmile.
J: EcoVessel BOULDER Triple-Insulated Stainless Steel Water Bottle with Screw Cap - 25-Ounce - Silver Express.  EcoVessel.
K: Espro Press P7, Stainless Steel French Press, Double Wall, Vacuum Insulated (3-4 cups, 18 ounce, Polished) Bundle with Handcrafted Bamboo Paddle, Coffee Scoop. Home &...
L: RAM Mount Composite Yoke Clamp Base with 1" Rubber Ball. Electronics. GPS, Finders & Accessories. RAM MOUNTS.
M: PlayWheels Disney Frozen Glitter Roller Skates with Knee Pads, Junior Size 6-12. Sports & Outdoors. Outdoor Recreation. PlayWheels.
N: Turbo Cat HP Products Replacement TurboCat Central Vacuum Air Driven Turbo Brush Geared Belt, fits TP210, 210, 7120. Home & Kitchen. Vacuums & Floor Care...
O: Aroma Housewares ACJ-181 1-Liter Citrus Juicer. Home & Kitchen. Kitchen & Dining. Aroma Housewares.
P: Hip Street Kids Big Button USB Keyboard and Mouse (HS-KIDKB01). Electronics. Computers & Accessories. Hipstreet.
Q: Elegant Comfort 4-Piece 1500 Thread Count Egyptian Quality Bed Sheet Sets with Deep Pockets, King, Green. Home & Kitchen. Bedding. Elegant Comfort.
R: Coleman 1-Gallon Jug.  Coleman.
S: Ontario Knife ONSP2-BRK Air Force Survival. Sports & Outdoors. Sports & Fitness. Ontario Knife.
T: OTG Micro USB to USB 2.0 Male to Female Adapter Cable by DATASTREAM - Connect DSLR Cameras & Flash Drives to Compatible On-The-Go Host Android...


assistant
Answer: G