What are the keywords in the following sentence? traveling through the mountain is a historic train
mountain, train, travel

What are the keywords in the following sentence? geographical feature as seen from a pontoon calm waters reflect the blue sky and powdery clouds
feature, reflect, sky, water

What are the keywords in the following sentence? fans celebrate after the match
celebrate, fan, match

What are the keywords in the following sentence? the team form a huddle .
form, huddle, team