Input: Identify the most salient words:

spacecraft is launched into space on a rocket in preparation for space mission

Output: launch
mission
rocket

Input: Identify the most salient words:

The guy is dancing around with his partner on a wheelchair..

Output: dance
partner
wheelchair

Input: Identify the most salient words:

wreaths are seen at the stone of remembrance after a ceremony

Output: ceremony
remembrance
wreath

Input: Identify the most salient words:

save the date for wedding with a frame of flowers

Output:
date
flower
save