Q: "A woman with a stroller is walking down a path lined with trees" Does this mean that "A human walking"?
A: yes

Q: "Two men and a woman are standing in water with a golden retriever." Does this mean that "A group of people are standing in water with a golden retriever while singing."?
A: it is not possible to tell

Q: "Two women are hugging each other." Does this mean that "Two women with blonde hair are hugging."?
A: it is not possible to tell

Q: "An airplane is flying low over a field." Does this mean that "An airplane is flying in the sky."?
A:
yes