What are the keywords in the following sentence? a blue and white single man airplane emitting smoke as it flies
emit, fly, smoke

What are the keywords in the following sentence? politician joins students and faculty of the school
politician, school, student

What are the keywords in the following sentence? commuters were caught unawares by the heavy rain on monday .
catch, commuter, rain

What are the keywords in the following sentence? rescue boat travelling through a rough sea off the south coast
coast, sea, travel