Q: "A group of people are dressed in multicolored clothes while performing an act." Does this mean that "A group of people are in motion"?
A: yes

Q: "People are holding umbrellas." Does this mean that "People are outdoors."?
A: yes

Q: "A brown dog has a purple disc." Does this mean that "the dog has a green ball"?
A: no

Q: "a goalie getting ready to defend the net" Does this mean that "the goalie is going to try to block the ball"?
A:
it is not possible to tell