Input: Identify the most salient words:

time lapse footage with pan left motion of the sun streaking through window of ruin

Output: motion
pan
streak
sun
window

Input: Identify the most salient words:

time lapse of the clouds moving over country

Output: cloud
country
move

Input: Identify the most salient words:

view of rainbow against blue sky with clouds .

Output: cloud
rainbow
sky
view

Input: Identify the most salient words:

towing a car on the highway .

Output:
car
highway
tow