Input: Identify the most salient words:

the full moon rises beside site listing category

Output: category
moon
rise

Input: Identify the most salient words:

aircraft on the runway of the airport

Output: aircraft
airport
runway

Input: Identify the most salient words:

Christmas lights strung from the clock tower next to a tall tree.

Output: light
tower
tree

Input: Identify the most salient words:

paintings at the station to increase awareness among tourists about conservation .

Output:
conservation
increase
painting
station
tourist