Two big German Shepherd dogs play in the water.
Two dogs are playing roughly.
Not all dogs playing are playing roughly.
exists e1 s1 s2 x1 x2 x3.(n_water(x3) & in(e1,x3) & Actor(e1,x1) & v_play(e1) & n_dog(x1) & (x1 = x2) & ne_nam_shepherd(x2) & a_german(s2) & Theme(s2,x1) & a_big(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 s1 x1.(a_roughly(s1) & Manner(e1,s1) & Actor(e1,x1) & v_play(e1) & n_dog(x1) & card_eq_2(x1))