Problem: What are the most important words?
a religious students walks inside mosque during the gathering for students who had successfully memorised religious text .
Answer: gathering, memorise, mosque, student, walk

Problem: What are the most important words?
Four teenagers walk home from school.
Answer: school, teenager, walk

Problem: What are the most important words?
tourist attraction of the old city and islamic place of worship .
Answer:
attraction, city, place, worship