Instruction: Given the title, description, feature, price, and brand of a product and a set of target attributes, extract the value of each target attribute from the product information. Output the extracted value and the corresponding source (e.g., title or feature) denoting where the value is extracted.

Input:
Product title: VTech CS6649-2 dect 6.0 2-Handset Landline Telephone
Product description: High Quality, Durable, CORD/CORDLESS COMBO,CID., Corded/cordless phone with digital answering system. View larger Large buttons and intuitive control panel. View larger Easy-to-read display for convenient call review. View larger 2 Handset Corded/Cordless Answering System with Caller ID/Call Waiting, Enjoy the freedom and mobility of two cordless handsets and the confidence of knowing the location of the corded handset with the CS6649-2 telephone system by VTech. Handset and base speakerphones make hands-free conversations easy with the touch of a button, and a Quiet Mode feature silences the ringers immediately or for an extended period of time., Caller ID/Call Waiting ensures you don't miss those most important calls, while intercom and conference capabilities streamline in-home communication and eliminate disruptive shouting through the home. Lighted keypads and large, lighted displays on the handsets make viewing and dialing easy., With up to 14 minutes of recording time, the digital answering system answers calls when you can't. Plus, the VTech CS6649-2 can expand up to five handsets using the CS6609 accessory handset.
Product feature: High Quality, Durable, DECT 6.0,ITAD,2 HANDSET, Portable Design, Energy Star Certified
Product price: $6.30
Product brand: VTech
Target attributes: Number of Lines
Answer: attribute: number of lines
value: None
source: None