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: Canon EF-S 15-85mm f/3.5-5.6 IS USM UD Standard Zoom Lens for Canon Digital SLR Cameras . Electronics. Camera & Photo. Canon.
2nd: Adorama Wireless Radio Remote Release for Canon EOS 5D, 5D Mark II, 7D, 10D, 20D, 30D, 40D, 50D, 1DSM2. Electronics. Camera & Photo. Adorama.
3rd: Sigma 150-500mm f/5-6.3 Auto Focus APO DG OS HSM Telephoto Zoom Lens for Sigma Digital SLR Cameras. Electronics. Camera & Photo. Sigma.
4th: STK's Canon-6D Battery Pack 2600mAh. Electronics. Camera & Photo. STK/SterlingTek.
5th: SanDisk Extreme 32 GB SDHC Class 10 UHS-1 Flash Memory Card 45MB/s (SDSDX-032G-X46). Electronics. Computers & Accessories. SanDisk.
6th: Lexar Professional 800x 16GB CompactFlash Memory Card 2-Pack LCF16GCTBNA8002. Electronics. Computers & Accessories. Lexar.
7th: Anker New Laptop Battery for Apple A1150 A1175 A1211 A1226 A1260 [Li-ion 9-cell 5200mAh] - White. Electronics. Computers & Accessories. Anker.
8th: WD My Book for Mac 2TB External Hard Drive Storage Mac File Backup. Electronics. Computers & Accessories. Western Digital.
9th: Multislot card reader, SANOXY all in one USB 2.0 MEMORY CARD READER FOR SD/MS Pro Duo/micro SD/M2/SDHC. Electronics. Computers & Accessories. SANOXY.
10th: STK LP-E6 Battery for Canon 5D Mark II III and IV, 70D, 5Ds, 6D, 5Ds, 80D, 7D, 60D, 5Ds R DSLR Cameras BG-E14, BG-E13, BG-E11,...
11th: Sony ICF-S10MK2 Pocket AM/FM Radio, Silver. Electronics. Portable Audio & Video. Sony.
12th: rooCASE Dual-View Multi Angle (Magenta) Leather Case for 4th Generation iPad with Retina Display / the new iPad 3rd / Apple iPad 2 (Automatically Wakes...
13th: Transcend 64GB Compact Flash Memory Card 400x (TS64GCF400). Electronics. Computers & Accessories. Transcend.
14th: The Friendly Swede Bundle of 2 Long Camera / Camcorder Neck Shoulder Straps Belt - Length Approximately 36" + Cleaning Cloth in Retail Packaging (Black/White/Bronze...
15th: Fotasy VNS Soft Multi-Color Neck Strap & Cleaning Cloth for Canon Fuji Nikon Olympus Panasonic Pentax Sony Cameras. Electronics. Camera & Photo. Fotasy.
16th: Tiffen 49mm Neutral Density 0.9 Filter. Electronics. Camera & Photo. Tiffen.
17th: Tiffen 46ND9 46mm Neutral Density 0.9 3-Stop Filter. Electronics. Camera & Photo. Tiffen.
18th: BIRUGEAR Hard Shell Carrying Case for Western Digital WD My Passport Ultra Metal Edition 1TB , 2TB/ My Passport Edge 500GB / My Passport Enterprise...
19th: Tamrac M.A.S. Filter Belt Pack (Black). Electronics. Camera & Photo. Tamrac.
20th: WD 1TB Silver My Passport for Mac Portable  External Hard Drive  - USB 3.0  - WDBLUZ0010BSL-NESN. Electronics. Computers & Accessories. Western Digital.
21st: Canon EF 24-105mm f/4L IS USM Zoom Lens - White Box (New) (Bulk Packaging). Electronics. Camera & Photo. Canon.
22nd: Canon 2822A002 USA 58mm Close-Up Lens 500D. Electronics. Camera & Photo. Canon.
23rd: Altura Photo 49-58MM Step-Up Ring Adapter (49MM Lens to 58MM Filter or Accessory) + Premium MagicFiber Cleaning Cloth. Electronics. Camera & Photo. Goja.
24th: Think Tank Photo Pee Wee Pixel Pocket Rocket Memory Card Case (Red). Electronics. Computers & Accessories. Think Tank.
25th: MegaGear "Ultra-Light" Neoprene Camera Case, Bag - Protective Cover for Canon PowerShot SX720 HS, SX710 HS, SX700 HS, SX170 IS, G16, G15, SX160 IS, Sony...
26th: JOBY Wrist Strap for DSLR and Mirrorless Professional Cameras. Electronics. Camera & Photo. Joby.
27th: waka 52mm UV Filter, Ultra Slim 16 Layers Multi Coating UV Protective Lens Filter for Canon Nikon Sony DSLR Camera Lens. Electronics. Camera & Photo...
28th: Kingston Digital 16GB Data Traveler 3.0 USB Flash Drive - Blue (DTIG4/16GB ). Electronics. Computers & Accessories. Kingston.
29th: Transcend 128GB JetFlash 790 USB 3.0 Flash Drive (TS128GJF790K). Electronics. Computers & Accessories. Transcend.
30th: ProCase Travel Gear Organizer Electronics Accessories Bag, Small Gadget Carry Case Storage Bag Pouch for Charger USB Cables SD Memory Cards Earphone Flash Hard Drive...
31st: Sabrent 4 Port Mini Portable USB 3.0 Hub [2-ft Cable] (HB-MNBW). Electronics. Computers & Accessories. Sabrent.
32nd: 49mm X1 UV Filter For Camera Lenses - Ultraviolet Protection Photography Filter with Lens Cloth - MRC4, Ultra-Slim, 25 Year Support, Weather-Sealed by Breakthrough Photography...
33rd: Transcend USB 3.0 Super Speed Multi-Card Reader for SD/SDHC/SDXC/MS/CF Cards (TS-RDF8K). Electronics. Computers & Accessories. Transcend.

Options:
A: Itoya Profolio Advantage Art Presentation Book 5"x7" For Art, Photography, Document, and Archival Storage -- 24 PolyGlass Pages for 48 Inserts. Electronics. Camera & Photo...
B: Carol Wright Gifts 3-Tier Wire Basket,Black,One Size Fits All. Home & Kitchen. Kitchen & Dining. Carol Wright Gifts.
C: Barsony New Saddle Tan Western Style Leather Holster for Snub-Nose or 2" 22 38 357 41 44 Revolvers. Sports & Outdoors. Sports & Fitness. Barsony.
D: French Press Chrome & Black (Chrome). Home & Kitchen. Kitchen & Dining. Utopia Kitchen.
E: Premium Memory Foam U-Shaped Pillow, Neck Pillow, Travel Pillow. Home & Kitchen. Bedding. TKR.
F: KitchenAid Five-Ply Stainless-Steel Clad 8-Inch Open Skillet. Home & Kitchen. Kitchen & Dining. KitchenAid.
G: JBL Voyager Portable Bluetooth Speaker (Black). Electronics. Portable Audio & Video. JBL.
H: Motorola T600 Talkabout Radio, 2 Pack. Electronics. Portable Audio & Video. Motorola Solutions.
I: HEAD SWIMMING Pirate Jr. Mask, Snorkel, & Fin Set. Sports & Outdoors. Outdoor Recreation. HEAD by Mares.
J: Better Living Products 71450 Classic 4-Chamber Shower Dispenser, White. Home & Kitchen. Bath. Better Living.
K: Itoya Art Profolio Portfolio 5 x 7 inches Storage Display Book, 24 Sleeves for 48 Views. Electronics. Camera & Photo. ITOYA.
L: elago Mobile microSDHC & M2 Flash Memory Card Reader EL-RD-001-BK (Black). Electronics. Computers & Accessories. elago.
M: Grand Linen 5 Piece Safari-Zebra-Giraffe Print Micro Fur Comforter Set, Bed in Bag, Twin, Brown. Home & Kitchen. Bedding. Grand Linen.
N: Mini Butterball Colorful 5 PCS of AA / AAA 4 Cell Battery Storage Case - Hard Case Box. Electronics. Accessories & Supplies. Mini Butterball.
O: Funny Guy Mugs #1 Grandpa Mug. Home & Kitchen. Kitchen & Dining. Funny Guy Mugs.
P: ASUS PW100 Wireless Charging Stand. Electronics. Computers & Accessories. Asus.
Q: Rail19 Glass Soap Dispenser Set with Metal Soap Pump and Metal Stand (Brass). Home & Kitchen. Bath. Rail19.
R: Nikon 8264 ACULON A30 10x25 Binocular (Xtra Green Camo). Electronics. Camera & Photo. Nikon.
S: Star Wars - Character Compilation 24x36 Poster. Home & Kitchen. Wall Art. Generic.
T: Safety 1st Baby On Board Sign, Pink. Home & Kitchen. Home Dcor. Safety 1st.


assistant
Answer: K