Q: "A white dog is carrying a stick in its mouth while running across flat land." Does this mean that "A white dog is enjoying some outdoor time."?
A: yes

Q: "Grandmother and granddaughter share a precious moment as mom looks on." Does this mean that "The two are sisters"?
A: no

Q: "A group of cyclists ride in the rain along a road with a red BMW driving by." Does this mean that "A group of cyclists are moving to the side of the road to avoid getting splashed by a car."?
A: it is not possible to tell

Q: "A woman is playing a guitar and singing into a microphone." Does this mean that "the woman is crying"?
A:
no