Q: "People in costumes are walking around in the street." Does this mean that "People are eating cake in the street."?
A: no

Q: "A group of tourists is crossing a bridge that connects a walking path to a trail of nature." Does this mean that "There are people outdoors."?
A: yes

Q: "A man wearing a white shirt playing badminton on a grass field." Does this mean that "man plays badminton"?
A: yes

Q: "People hanging out in a bar or club." Does this mean that "people are dancing in bars or clubs."?
A:
it is not possible to tell