Two men are kayaking in whitewater.
Two men are climbing Mount Everest.
kayaking and climbing are different actions
exists e1 x1 x2.(in(e1,x2) & n_whitewater(x2) & Actor(e1,x1) & v_kayake(e1) & n_man(x1) & card_eq_2(x1))
exists e1 x1 x2 x3.(ne_per_everest(x2) & (x2 = x3) & ne_per_mount(x3) & Theme(e1,x2) & Actor(e1,x1) & v_climb(e1) & n_man(x1) & card_eq_2(x1))