Input: Identify the most salient words:

clocks stopped at the time each child was born

Output: bear
clock
stop

Input: Identify the most salient words:

A fisherman pulling in a net.

Output: fisherman
net
pull

Input: Identify the most salient words:

static shot of a forest with its trees slowly moving in moderate winds

Output: forest
move
tree
wind

Input: Identify the most salient words:

A couple goes around the beach throwing trash away.

Output:
beach
throw
trash