Instruction: First, identify the target attributes from the provided list. Then, scan the product title, description, feature, and brand to extract the values associated with each target attribute. Finally, create a list of dictionaries, each containing the extracted attribute, its corresponding value, and the source where it was found.

Input:
Product title: Baby Birthday Party Supplies 1st Birthday Keep Calm My First Birthday Bodysuit 18 Months Light Blue
Product feature: Shipping Weight: 2.88 ounces, ASIN: B01CF3A28E, Item model number: A-IN-BD116-BS20-18M-LtBl, Date first listed on Amazon: March 6, 2017, Average Customer Review: 3.0 out of 5 stars 1 customer review
Product brand: Baby Gifts For All
Target attributes: Age Group
Answer: attribute: age group
value: 18m
source: product feature
attribute: age group
value: 18 months
source: product title
attribute: age group
value: baby
source: product brand