A tan dog is pulling a red sled in the snow.
The dog is eating popcorn on the beach.
A dog cannot be eating popcorn and pulling a red sled at the same time.
exists e1 s1 s2 x1 x2 x3.(n_snow(x3) & in(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_pull(e1) & n_sled(x2) & a_red(s2) & Theme(s2,x2) & n_dog(x1) & a_tan(s1) & Theme(s1,x1))
exists p1 x1 x3.(n_beach(x3) & n_dog(x1) & exists s1 x2.((x1 = x2) & on(x2,x3) & n_popcorn(x2) & a_eating(s1) & Theme(s1,x2)))