Several dogs in muzzles are racing on the grass.
Several dogs in muzzles are racing on the wet grass.
You can not infer the grass is wet.
exists e1 s1 x1 x2 x3.(n_grass(x3) & on(e1,x3) & Actor(e1,x1) & v_race(e1) & in(x1,x2) & n_muzzle(x2) & n_dog(x1) & a_several(s1) & Theme(s1,x1))
exists e1 s1 s2 x1 x2 x3.(n_grass(x3) & a_wet(s2) & Theme(s2,x3) & on(e1,x3) & Actor(e1,x1) & v_race(e1) & in(x1,x2) & n_muzzle(x2) & n_dog(x1) & a_several(s1) & Theme(s1,x1))