What are the keywords in the following sentence? the friendly against the national team will be the first time that city has visited the country
country, time, visit

What are the keywords in the following sentence? a young friendly family making circle while looking at camera
circle, family, look

What are the keywords in the following sentence? A blue and yellow train on tracks next to two white vans.
track, train, van

What are the keywords in the following sentence? a bridge inside of a turning tunnel affects visitors
bridge, tunnel, turn