A brown dog is carrying a toy in the snow.
A dog is playing fetch in the snow.
A dogs carrying a toy is not necessarily playing fetch.
exists e1 s1 x1 x2 x3.(n_snow(x3) & Theme(e1,x2) & Actor(e1,x1) & v_carry(e1) & in(x2,x3) & n_toy(x2) & n_dog(x1) & a_brown(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(n_snow(x3) & in(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_fetch(x2) & n_dog(x1))