sentence: Tomatoes are used a lot in Italian food.
sentences_before: The tomato is green when it is unripe. It slowly changes color from green to red as it gets more ripe. There are many different types of tomatoes. Most tomatoes are red, but some special kinds are yellow or orange when they are ripe. Also, some tomatoes are as small as strawberries, and some will become as big as apples.
sentences_after: They are also used to make ketchup. Sometimes, people mistake tomatoes for vegetables, but they aren't, because they contain seeds.
concept_name: tomato
headings: Tomato