Q: "A large group of computer gamers are arranged in a row while playing games." Does this mean that "A group of people are playing computer games."?
A: yes

Q: "A very very wide roller coaster trundles down the track." Does this mean that "A roller coaster is out of control."?
A: it is not possible to tell

Q: "When a dog has to go, he has to go." Does this mean that "There is a dog peeing"?
A: yes

Q: "A child is playing in some plants lining a city street." Does this mean that "A child is outside playing."?
A:
yes