As the tadpoles develop legs, they will need to climb out of the water to breathe.
(they; will need; to climb out of the water; to breathe) Context(they will need,List([30, 44))):(they; will need to climb; out of the water) Context(they will need,List([30, 44))):(they; will need to breathe; )
they will need,List([30, 44)) they will need,List([30, 44))
they they they
will need will need to climb will need to breathe
to climb out of the water to breathe
out of the water