In other words, a caterpillar that has found a source of food advertises the fact to its nest-mates on its return to the nest.
(a caterpillar that has found a source of food; advertises; the fact) Context(a caterpillar that has found a source of food advertises,List([16, 72))):(a caterpillar; has found; a source of food)
a caterpillar that has found a source of food advertises,List([16, 72))
a caterpillar that has found a source of food a caterpillar
advertises has found
the fact
a source of food