In this task, you have to identify the named entities (NER) which are the ingredients required given its directions. Named entities are the names of the items without their quantity.

Combine the watermelon, syrup, mint, and vinegar in a blender or food processor, and puree until smooth (though there still may be watermelon seeds and shards of mint floating around)., Pour the mixture into a strainer set over a small bowl to remove the solid pieces. Gently lift and stir the mixture to help the liquid pass through, without forcing any solids through the strainer.
watermelon, syrup, mint leaves, white wine vinegar