Given the task definition and input, reply with output. In this task, you have to generate the named entities (NER) given its ingredients of the recipe. Named entities are the names of the items without their quantity.

1 1/2 lb. ground beef, 1 onion, chopped, 2 tsp. Worcestershire sauce, 1 can tomato soup, 2 tsp. sugar, 3 Tbsp. tomato ketchup, salt and pepper

ground beef, onion, Worcestershire sauce, tomato soup, sugar, tomato ketchup, salt