What are the keywords in the following sentence? As he stares down at her she continues to avoid his gaze.
avoid, gaze, stare

What are the keywords in the following sentence? A group of college students studying for an exam.
exam, student, study

What are the keywords in the following sentence? A one year old boy is eating a cupcake for his birthday.
birthday, cupcake, eat

What are the keywords in the following sentence? politician addresses a crowd during his visit to a mausoleum of philosopher on the occasion .
address, crowd, politician, visit