Input: Identify the most salient words:

the dark blue flowers of the geranium stand out amongst the green foliage of ferns

Output: fern
flower
foliage

Input: Identify the most salient words:

politician had a reputation for inviting guests over to his home .

Output: guest
invite
politician

Input: Identify the most salient words:

tourists climbing tourist attraction at archaeological site

Output: climb
site
tourist

Input: Identify the most salient words:

parents are taught to walk a little boy at home .

Output:
home
teach
walk