It is an amazing sight to watch the blue fin tuna when it is pursuing its prey.
(It; is; an amazing sight to watch the blue fin tuna) (an amazing sight; to watch; the blue fin tuna; T:when it is pursuing its prey) (it; is pursuing; its prey)
It an amazing sight it
is to watch is pursuing
an amazing sight to watch the blue fin tuna
the blue fin tuna T:when it is pursuing its prey
its prey