A little boy with a striped shirt walking through the grass near some trees.
A boy on the beach.
you cannot be in the grass and at the beach
exists e1 s1 s2 x1 x2 x3 x4 x5.(n_grass(x4) & a_topic(x1) & with(x1,x2) & through(e1,x4) & near(x4,x5) & n_tree(x5) & Actor(e1,x3) & v_walk(e1) & (x2 = x3) & n_shirt(x2) & a_striped(s2) & Theme(s2,x2) & n_boy(x1) & a_little(s1) & Theme(s1,x1))
exists x1 x2.(n_beach(x2) & a_topic(x1) & on(x1,x2) & n_boy(x1))