Input: Identify the most salient words:

time lapse clouds and sky over the green field before storm coming .

Output: cloud
come
sky
storm

Input: Identify the most salient words:

listed site and islamic place of worship .

Output: list
place
site
worship

Input: Identify the most salient words:

site listing category with reflection of the memorial carving in the large glass windows .

Output: list
site
window

Input: Identify the most salient words:

a hauntingly beautiful nebula located in the constellation of constellation

Output:
constellation
locate
nebula