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: DELLA 048-GM-48211 1500W Electric Air Fryer Digital LED Display 8 Cooking Presets Menu, Timer & Temperature Control, White
Product description: Latest generation new 048-GM-48211 of electric air fryer allows you to enjoy your favorite fried snacks or foods without the added calories from dunking food in oil; powerful air frying technology with rapid hot air circulation system gives your food a crispy fried finish; fast cooking performance and very short preheating time enables you to prepare a meal for the whole family in record time!; adjustable temperature control from 176° F - 392° F allows you to prepare a variety of food from crispy fries to juicy wings with little to no oil at all; fry with speed and precision for perfect results with less fat. 30 minute timer with automatic shut off and ready signal gives you a perfect fry every time!; Enjoy delicious full flavor deep fried foods without the use of unhealthy fats and oils; 30 minute timer with automatic standby mood; The air fryer will automatically switch into standby mode when the cooking time is done; ready light to let the user know when the air fryer has reached the desired temperature;; detachable basket for easy transfer from the fryer to a serving dish; cool-touch housing and handle; protective plastic Cover on food basket release button prevents accidental drop of the food basket holder;; auto-off, ready alert & built-in timer specifications:; Color: White; watt: 1500; Voltage: 120V/60Hz; timer: 0-30min; temperature control: Yes; cooking setting: 8; temperature range: 176 to 392 degrees;; power indicator: Yes; heating indicator: Yes; Capacity: 3.2 quart; detachable basket: Yes; Certification: ETL, UL, CSA listed; Overall dimension: 11-1/2"(W) x 13-1/2"(L) x 12-1/4"(H)Package contents:; 1 x 1500W electric air fryer;; 1 x recipe book bonus; 1 x Manual/p.
Product feature: Revolutionary air technology offers healthier frying with tablespoon of oil or less, Cooking timer up to 30 minutes; temperature control from 176a Degree - 392a Degree, Healthy and easy way to fry food; uses rapid air circulation, Temperature adjustable control from (176a Degree - 392a Degree) allows you to prepare a variety of food from crispy fries to juicy wings with little to no oil at all, ETL, UL, csa certified; 1500W; 3.2L; include detachable basket for easy transfer from the fryer to a serving dish
Product brand: DELLA
Target attributes: Cooking Method
Answer: attribute: cooking method
value: no oil
source: product description
attribute: cooking method
value: air
source: product feature
attribute: cooking method
value: air frying
source: product description
attribute: cooking method
value: no oil
source: product feature
attribute: cooking method
value: air fryer
source: product description
attribute: cooking method
value: air fryer
source: product title