Volcanic eruptions eventually force the magma back onto the surface of the earth where it is then called lava .
(Volcanic eruptions; force; the magma; back onto the surface of the earth; T:eventually) (it; is called; lava; L:the earth; T:then)
Volcanic eruptions it
force is called
the magma back onto the surface of the earth T:eventually
lava L:the earth T:then