Problem: What are the most important words?
But, his hand reaches out to grasp his right abdomen.
Answer: grasp, hand, reach

Problem: What are the most important words?
stained glass window in a church depicting a cross against the sky and sea .
Answer: cross, depict, stain, window

Problem: What are the most important words?
motorists merge from lanes into one as they enter suspension bridge to drive .
Answer:
bridge, enter, lane, merge, motorist