A yellow dog is playing in a grassy area near flowers.
A child is playing catch with his dog.
Just because there is a dog playing in a grassy area near flowers, it doesn't mean that there is a child nearby, it also doesn't mean that the dog even belongs to a child, or that there is a child is playing catch with his dog.
exists e1 s1 s2 x1 x2 x3.(in(e1,x2) & near(x2,x3) & n_flower(x3) & n_area(x2) & a_grassy(s2) & Theme(s2,x2) & Actor(e1,x1) & v_play(e1) & n_dog(x1) & a_yellow(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(with(e1,x3) & n_dog(x3) & of(x3,x1) & n_male(x1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_catch(x2) & n_child(x1))