Q: "a man sits at a table holding his phone." Does this mean that "A man is looking at his phone while he waits."?
A: it is not possible to tell

Q: "A man with brown pants is selling food from a mobile vending grill." Does this mean that "A man is wearing brown pants selling food"?
A: yes

Q: "A band playing on stage and a girl about to swing into the crowd." Does this mean that "There are multiple people on the stage"?
A: yes

Q: "Female in black leather jacket pets a small dog with a muzzle holding on to her leg." Does this mean that "Femal is petting a small dog outside."?
A:
it is not possible to tell