Two brown dogs cavort together near a tree.
A man and a dog sitting on a bench
There are either a man and a dog, implying a single dog, or two dogs.
exists e1 p1 s1 x1 x2.(near(e1,x2) & n_tree(x2) & exists s2.(Theme(s2,x1) & a_together(s2)) & Topic(e1,p1) & Actor(e1,x1) & v_cavort(e1) & n_dog(x1) & a_brown(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 s1 x1 x2 x3 x4.(a_topic(s1) & subset_of(x2,s1) & on(e1,x4) & n_bench(x4) & Actor(e1,x3) & v_sit(e1) & (x2 = x3) & n_dog(x2) & subset_of(x1,s1) & n_man(x1))