Q: "Two black women in fancy uniforms" Does this mean that "THey are currently working."?
A: yes

Q: "A baseball player with# 22 on his uniform swings at a ball." Does this mean that "A baseball player swings at a ball."?
A: yes

Q: "A man in a beige suit is playing a trumpet into a microphone." Does this mean that "A man is performing a concert"?
A: it is not possible to tell

Q: "A man climbs up the side of a steep rock that overlooks a river." Does this mean that "a man is looking at a river from a rock."?
A:
yes