sentences: granite contains mica & granite contains feldspar & granite contains quartz ->  granite is made of quartz, feldspar, and mica  feldspar is a kind of mineral & mica is a kind of mineral & quartz is a kind of mineral ->  quartz, feldspar, and mica are minerals  granite is made of quartz, feldspar, and mica & quartz, feldspar, and mica are minerals ->  granite is made of minerals  granite is made of minerals & granite is a kind of rock -> rock is made of minerals