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: Lucky Top Girls Lace Ballet Ballerina Flats
Product description: Made of lace upper and rubber sole. Heel hight: approx. 0.5". Girls' ballet flats. Stylish and comfortable. Easy slip on / off. Slightly padded sole for added comfort. Open toe. Light weight with nice fit. Easy to walk. Cute colors to choose from.
Product feature: Synthetic, Synthetic sole, Platform measures approximately .25", Made of lace upper and rubber sole., Heel hight: approx. 0.5". Girls' ballet flats. Stylish and comfortable., Easy slip on / off., Slightly padded sole for added comfort. Soft closed toe., Light weight with nice fit. Easy to walk. Cute colors to choose from., Product Dimensions: 9 x 3 x 3 inches, Shipping Weight: 2 pounds ( View shipping rates and policies ), ASIN: B073RL7ZHK, Date first listed on Amazon: March 21, 2014, Average Customer Review: 3.8 out of 5 stars 3 customer reviews
Product price: $19.95
Product brand: Lucky Top
Target attributes: Dance Shoe Style
Answer: attribute: dance shoe style
value: ballet
source: product description
attribute: dance shoe style
value: ballet
source: product title
attribute: dance shoe style
value: ballet
source: product feature