What are the keywords in the following sentence? A man sings and plays a guitar at a concert.
concert, guitar, sing

What are the keywords in the following sentence? a modern arch bridge for cyclists and pedestrians
bridge, cyclist, pedestrian

What are the keywords in the following sentence? the green residential district by the water in city
city, district, water

What are the keywords in the following sentence? another idea of how to raise the table to turn into an island .
idea, table, turn