Two men are posing for a picture.
Two women are hiking in the woods alone.
One can not be posing and hiking simultaneously.
exists e1 x1 x2.(for(e1,x2) & n_picture(x2) & Actor(e1,x1) & v_pose(e1) & n_man(x1) & card_eq_2(x1))
exists e1 x1 x2.(n_wood(x2) & in(e1,x2) & r_alone(x2) & Actor(e1,x1) & v_hike(e1) & n_woman(x1) & card_eq_2(x1))