A white dog and a brown dog running across a grassy field.
The pets are sitting under the tree
the dogs can not be sitting under a tree if they are running through a grassy field
exists e1 s1 s2 s3 s4 x1 x2 x3 x4.(a_topic(s1) & subset_of(x2,s1) & across(e1,x4) & n_field(x4) & a_grassy(s4) & Theme(s4,x4) & Actor(e1,x3) & v_run(e1) & (x2 = x3) & n_dog(x2) & a_brown(s3) & Theme(s3,x2) & subset_of(x1,s1) & n_dog(x1) & a_white(s2) & Theme(s2,x1))
exists e1 x1 x2.(n_tree(x2) & n_pet(x1) & under(e1,x2) & Actor(e1,x1) & v_sit(e1))