Input: Identify the most salient words:

firefighters try to extinguish a fire at a building under construction in neighborhood

Output: building
construction
fire
firefighter

Input: Identify the most salient words:

political map with the several provinces where a city is highlighted

Output: city
map
province

Input: Identify the most salient words:

row of half burnt incense near the entrance to a temple

Output: burn
row
temple

Input: Identify the most salient words:

image of various hearts in a heart shape .

Output:
heart
image
shape