Q: "Lady playing piano outside by flowers." Does this mean that "The lady is playing piano."?
A: yes

Q: "A man in a pink shirt is listening to his iPad while he waits for the train." Does this mean that "The man is dancing on the grass."?
A: no

Q: "Three people are sitting on a bench, one looking down at something in her lap, one wearing jeans, sandals and a turtleneck tee; and one woman in brown holding a cup." Does this mean that "The three people are all friends."?
A: it is not possible to tell

Q: "A girl is kneeling and looking down from the top of a tall cliff." Does this mean that "A girl is on a cliff looking down at a river."?
A:
it is not possible to tell