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.
Example: 1 3/4 cups all purpose flour, 1/4 cup finely ground blanched almonds, 1 teaspoon grated lemon zest, 1/2 cup confectioners sugar, 2 sticks unsalted butter, almost melted, 4 eggs, lightly beaten, 2 cups granulated sugar, 1/4 cup flour, 1/2 teaspoon baking powder, 2 teaspoons grated lemon zest, 1/3 cup fresh lemon juice, Candied violets for garnish, optional
Example solution: flour, ground blanched almonds, lemon zest, confectioners sugar, butter, eggs, sugar, flour, baking powder, lemon zest, lemon juice, Candied violets
Example explanation: Given the required ingredients, the ner of the recipe is generated. As the ingredients contain the quantities, if we just remove quantities from ingredients, we get the ner.

Problem: 1 1/2 tablespoons olive oil, 1/4 cup diced onion, 2 cloves garlic, minced, 5 tablespoons ketchup, 3 tablespoons honey, 3 tablespoons brown sugar, 2 tablespoons apple cider vinegar, 1 tablespoon Worcestershire sauce, salt and pepper to taste, 2 skinless, boneless chicken breast halves

Solution: olive oil, onion, garlic, ketchup, honey, brown sugar, apple cider vinegar, Worcestershire sauce, salt, skinless