Q: "A lady in a short pink miniskirt stands alone with her arms crossed." Does this mean that "A woman stands alone at a restaurant."?
A: it is not possible to tell

Q: "Kids sit on a ledge and talk." Does this mean that "Ten little boys are sitting on the ledge of a cliff talking."?
A: it is not possible to tell

Q: "Several people hang out at a winery." Does this mean that "an empty winery"?
A: no

Q: "A dog rests on a mattress while a old woman sits on the floor." Does this mean that "A dog and woman are both resting on a mattress"?
A:
yes