Instruction: Using the product's title, description, features, price, and brand, identify and retrieve the values associated with a specified set of target attributes. Output the extracted values along with their respective sources (e.g., title or feature) indicating where each value was found.

Input:
Product title: Snyder's of Hanover Cheddar Cheese Pretzel Pieces, 12 Ounce (2 Bags)
Product description: 12oz Snyder's of Hanover Cheddar Cheese Pretzel Pieces, Pack of 2, 'ENRICHED FLOUR (WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), WATER, PALM OIL, WHEY, CHEDDAR CHEESE (PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES), SALT, MALTODEXTRIN, BUTTERMILK POWDER, YEAST, ONION POWDER, DISODIUM PHOSPHATE, SODIUM CASEINATE, TOMATO POWDER, CITRIC ACID, SPICE, NONFAT DRY MILK, SUGAR, NATURAL FLAVORS, AUTOLYZED YEAST EXTRACT, GARLIC POWDER, TURMERIC EXTRACT, ANNATTO EXTRACT, PAPRIKA EXTRACT, DISODIUM INOSINATE, DISODIUM GUANYLATE, SODA.', Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition.
Product price: $14.34
Product brand: Snyder's of Hanover
Target attributes: Shape
Answer: attribute: shape
value: pieces
source: product title
attribute: shape
value: pieces
source: product description