Q: "Two men are hugging outside." Does this mean that "Two men greet each other."?
A: it is not possible to tell

Q: "A woman in a blue helmet is at the front of a group of people in a roller derby." Does this mean that "The woman is leading a group."?
A: yes

Q: "A woman wearing a red dress is hanging on to a chain that is connected to a pair of handcuffs." Does this mean that "The woman just got arrested and handcuffed."?
A: it is not possible to tell

Q: "a little child reaches for a bar." Does this mean that "A human reaching."?
A:
yes