Input: Identify the most salient words:

pedestrians walk across the bridge

Output: bridge
pedestrian
walk

Input: Identify the most salient words:

a plane flies over tower

Output: fly
plane
tower

Input: Identify the most salient words:

sunflower in the field wide shot mild wind

Output: field
shoot
wind

Input: Identify the most salient words:

woman with dogs trying to push an elderly lady in wheelchair through gate

Output:
lady
push
wheelchair