They study fossils : Fossils are animals that died a long time ago.
(animals; died; T:a long time ago) (Fossils; are; animals that died a long time ago) Context(Fossils are,List([21, 32))):(They; study; fossils)
Fossils are,List([21, 32))
animals Fossils They
died are study
T:a long time ago
animals that died a long time ago
fossils