sentence2_structure: The extensive property<>is<>a property that depends on the amount of matter in a sample$$$a property<>depends<>on the amount of matter
sentence1: Mass and volume are examples of extensive properties , which are defined as properties the values of which depend upon the amount (extent) of substance present.
sentence2: The extensive property is a property that depends on the amount of matter in a sample.
question: What property is a property that depends on the amount of matter in a sample?