Q: "A man is holding an infant." Does this mean that "The father and his baby are out for a lunch at a fancy restaurant."?
A: no

Q: "A bare-chested man in gray shorts is posed to hit a volleyball in midair." Does this mean that "The man is swinging a bat and hitting a baseball."?
A: no

Q: "Dark-haired woman with yellow sweater in jean walks down the street." Does this mean that "Dark-haired woman with yellow sweater in jean walks down the street with a dog on a leash."?
A: it is not possible to tell

Q: "A man on a rocky beach, wearing a black bathing suit, staring at the water." Does this mean that "A person is outdoors"?
A:
yes