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: Seagate Backup Plus Slim 1TB Portable External Hard Drive for Mac with Mobile Device Backup USB 3.0 (Certified Refurbished). Electronics. Computers & Accessories. Seagate.
2nd: Seagate Backup Plus Slim 500GB Portable External Hard Drive USB 3.0, Black STCD500102. Electronics. Computers & Accessories. Seagate.
3rd: Transcend 8 GB High Speed Class 10 UHS Flash Memory Card TS8GSDHC10U1 85/22 MB/s. Electronics. Computers & Accessories. Transcend.
4th: Opteka X-GRIP Professional Camera/Camcorder Action Stabilizing Handle- Black. Electronics. Camera & Photo. Opteka.
5th: Transcend 16GB SDHC Class 10 UHS-1 Flash Memory Card Up to 60MB/s (TS16GSDU1PE). Electronics. Computers & Accessories. Transcend.

Options:
A: SanDisk Extreme PRO 32GB up to 95MB/s UHS-I/U3 SDHC Flash Memory Card - SDSDXPA-032G-X46. Electronics. Computers & Accessories. SanDisk.
B: Apple iPad Air Bounce Skin Blue Gumdrop Cases Silicone Rugged Shock Absorbing Protective Dual Layer Cover Case. Electronics. Computers & Accessories. Gumdrop Cases.
C: Monoprice 113804 Medium Paper Thin HDTV Antenna 30 Mile Range. Electronics. Accessories & Supplies. Monoprice.
D: Linkworld Electronic LLC. Micro ATX Mini Tower Case with 430 Watt Power Supply, Black/Silver (7270-08A-C2128U). Electronics. Computers & Accessories. Linkworld Electronic LLC.
E: Gear Up Hub Stainless Steel Garlic Press. Home & Kitchen. Kitchen & Dining.
F: X-Small CVault Container w/One 8g 62% Boveda Pack - 3.25"x1". Home & Kitchen. Kitchen & Dining. CVault.
G: East German Camo Combat Pack with Suspenders Like New. Sports & Outdoors. Sports & Fitness. Sturm Military Surplus.
H: Bala Gear Police Suspenders for Duty Belt.  Bala Gear.
I: RM Italy KL 60 Mobile CW Transmitter. Electronics. Car & Vehicle Electronics. RM Italy.
J: Starfrit The Rock Fry Pan with Bakelite Handle, 11", Dark Gray. Home & Kitchen. Kitchen & Dining. Starfrit.
K: Howarmer Canvas Cotton Cushion Cover, Geometric Pattern, 18 x 18-Inch, Set of 4. Home & Kitchen. Bedding. Howarmer.
L: Doctor Who Dalek Bottle Opener with Sound FX Effects. Home & Kitchen. Kitchen & Dining. Underground Toys.
M: Uxcell a13121900ux0278 Uxcell. Electronics. Computers & Accessories. uxcell.
N: Shoe Storage Unit-Damask. Home & Kitchen. Storage & Organization. GetSet2Save.
O: Butterfly Craze Girls Hot Princess Play Tent and Bed Canopy. Home & Kitchen. Bedding. Butterfly Craze.
P: Canon PowerShot SX500 IS 16.0 MP Digital Camera with 30x Wide-Angle Optical Image Stabilized Zoom and 3.0-Inch LCD (Black) Premiere Bundle With 16GB Secure Digital...
Q: Bear Motion Sleeve for DELL Venue 8 7840 / 7000 Series - PU Sleeve Case for DELL Venue 8 7840 (2015 Version) - Black. Electronics...
R: eHemco 5 Tier Leaning Wall Book Shelf in Black 21-5/8“W X 70”H. Home & Kitchen. Furniture.
S: Get Clear TV with a Portable Digital Antenna from TV Free-Way by BulbHead. Electronics. Accessories & Supplies. BulbHead.
T: HAVIT HV-S10 Ergonomic LED Stress-ease Wired Mouse with 4 Adjustable LED Colors, 2400DPI, 7 Buttons (White). Electronics. Computers & Accessories. Havit.


assistant
Answer: A