Q: "A brown and black dog runs over the green grass." Does this mean that "A dog runs on the grass."?
A: yes

Q: "Some people are having a barbecue." Does this mean that "There is food at the barbecue."?
A: yes

Q: "A group of people gather for a picture while a woman stands on a post and takes the picture." Does this mean that "The picture will have many different people in it."?
A: yes

Q: "Two dogs play with each other outside." Does this mean that "Four dogs played at the park."?
A:
no