Q: "A few people with a girl standing up in the center wearing a green dress" Does this mean that "A girl in a dress is not alone."?
A: yes

Q: "Two children inside a house standing on furniture, playing pirates." Does this mean that "some children are standing on a bed."?
A: it is not possible to tell

Q: "A man wearing a red t-shirt, jeans and glasses is playing a musical instrument." Does this mean that "A man in glasses is a professional musician."?
A: it is not possible to tell

Q: "A guy and his son, in helmets, are putting up their bike." Does this mean that "The man and te.he boy store the motorcycle."?
A:
it is not possible to tell