Input: Identify the most salient words:

a mosque is a place of worship for followers of religion

Output: follower
place
worship

Input: Identify the most salient words:

troops arrive at their barracks to reinforce fellow troops following the siege by militants

Output: barrack
militant
reinforce
siege
troop

Input: Identify the most salient words:

biological species swims into the current over a colorful reef

Output: reef
specie
swim

Input: Identify the most salient words:

A dark wall clock with light face on white wall.

Output:
clock
face
wall