Sedimentary rocks are usually softer rock than the other two kinds of rock, which are igneous and metamorphic rock.
(Sedimentary rocks; are; T:usually; softer rock than the other two kinds of rock) (the other two kinds of rock; are; igneous and metamorphic rock)
Sedimentary rocks the other two kinds of rock
are are
T:usually softer rock than the other two kinds of rock
igneous and metamorphic rock