Two men with paddles in the water.
Two men hiking through the Sahara desert
People are either in the water or they are hiking through the desert, but not both simultaneously.
exists x1 x2 x3.(n_water(x3) & a_topic(x1) & with(x1,x2) & in(x2,x3) & n_paddle(x2) & n_man(x1) & card_eq_2(x1))
exists e1 x1 x2 x3 x4.(n_desert(x3) & (x3 = x4) & ne_geo_sahara(x4) & a_topic(x1) & through(e1,x3) & Actor(e1,x2) & v_hike(e1) & (x1 = x2) & n_man(x1) & card_eq_2(x1))