Q: "group of people walking a dog in a park" Does this mean that "Some persons with pet outside."?
A: it is not possible to tell

Q: "A woman and child making decorations outside." Does this mean that "A woman and child making decorations."?
A: yes

Q: "Two young children in gray clothing are coloring with pencils." Does this mean that "There are children coloring."?
A: yes

Q: "A child is wading in the water." Does this mean that "The child is at the beach."?
A:
it is not possible to tell