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: Extensive properties , such as mass and volume , depend on the amount of matter being measured.
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?