OWL PELLETS - which contain undigested parts of animals that owls eat.
(OWL PELLETS; contain; undigested parts of animals that owls eat) (animals; owls; undigested parts of animals that owls eat) (undigested parts of animals; eat; )
OWL PELLETS animals undigested parts of animals
contain owls eat
undigested parts of animals that owls eat
undigested parts of animals that owls eat