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: Sole Fitness F63 Folding Treadmill. Sports & Outdoors. Sports & Fitness. Sole Fitness.
2nd: The Friendly Swede Hand Grip Strengthening Stress Relief Therapy Squishy Balls - Set of 3 Finger Resistance Exercise Squeeze Eggs. Sports & Outdoors. Sports &...

Options:
A: HP BD-R 6X 25GB Blu-Ray 25 Pack Blank Discs in Spindle. Electronics. Accessories & Supplies. hp.
B: REG-1322 Handmade Damascus Steel 14.50 Inches Bowie Knife (Color/case/shape may vary slightly). Sports & Outdoors. Sports & Fitness. Poshland Knives.
C: iPad Mini 3/2/1 Case with Strap, Beeiee 360 Degree Rotation Protective Handheld Case with Leather Hand Strap and Built-in Stand for iPad Mini 1 2...
D: BoYaZ Earphones Earphones High Quality Stereo Earbuds Noise Isolating Bass Class In-ear Headphones with Mic & Remote Control for All Smartphone Ipod Tablet (Black). Electronics...
E: Cole & Mason Inverted Flip Upside Down Pepper Mill, Black. Home & Kitchen. Kitchen & Dining. Cole & Mason.
F: Nanuk 915 Waterproof Hard Case with Foam Insert - Olive. Electronics. Camera & Photo. Nanuk.
G: Sennheiser HDR120 Supplemental HiFi Wireless Headphone for RS-120 System. Electronics. Headphones. Sennheiser.
H: Sonnet Tempo SSD Pro Plus 6Gb/s SATA PCIe 2.0 Card for Dual SSDs, Thunderbolt Compatible, (TSATA6-SSDPS-E2). Electronics. Computers & Accessories. Sonnet Technologies.
I: DPKIKO Headphone Adapter Splitter Compatible with iPhone Xs max / 7/7 8/8 Plus/X, Dual 8 Pin Jack Aux Audio & Charging & Calling & Sync...
J: Game Golf Digital Shot Tracking Tags Set. Sports & Outdoors. Sports & Fitness. Game Golf.
K: Spyderco Salt I Serrated Edge Yellow H-1 Steel Knife. Sports & Outdoors. Sports & Fitness. Spyderco.
L: Flashpoint XPLOR 600 HSS Battery-Powered Monolight with Built-in R2 2.4GHz Radio Remote System and R2 Transmitter for Canon (Bowens Mount)(AD600). Electronics. Camera & Photo. Flashpoint.
M: Ankle/Wrist Weights (1 Pair) for Women, Men and Kids - Fully Adjustable Weight for Arm, Hand & Leg - Best for Walking, Jogging, Gymnastics, Aerobics...
N: Sougayilang Saltwater Freshwater Fly Fishing Rod with Reel Combo Kit. Sports & Outdoors. Sports & Fitness. Sougayilang.
O: ePhotoInc A121B 22-Inch Camera Flash Beauty Dish Bracket with White Diffuser. Electronics. Camera & Photo. ePhoto.
P: MUZO Cobblestone Wi-Fi Audio Receiver - Stream Music From Phone, Airplay, NAS, Multi-room. Make Your Speakers Wireless. Electronics. Home Audio. MUZO.
Q: Mossy Oak Blue Jack Fanny Pack. Sports & Outdoors. Sports & Fitness. Mossy Oak Hunting Accessories.
R: Leviton 47690-8 1x8 Passive TV/CATV Splitter Module. Electronics. Accessories & Supplies. Leviton.
S: VICEEN Digital Basal Thermometer for Ovulation Tracking BBT - Quick Reading, Highly Accurate 1/100th Degree, High Sensitivity - Fertility Monitor for Best Natural Family Planning...
T: Saucony Women's Omni LX Tights. Sports & Outdoors. Sports & Fitness. Saucony.


assistant
Answer: M