Input: Identify the most salient words:

an orange building a clock and a blue sky

Output: building
clock
sky

Input: Identify the most salient words:

boats stranded by the tide on the foreshore

Output: boat
strand
tide

Input: Identify the most salient words:

models walk on the catwalk for fashion show

Output: catwalk
model
walk

Input: Identify the most salient words:

wallpaper probably containing a portrait and anime called

Output:
anime
call
contain
wallpaper