Seven people are white water rafting.
The people are running an obstacle course on land.
The people can't be water rafting and also running on land.
exists p1 x1.(exists s1 x2 x3.((x1 = x2) & n_rafting(x2) & of(x2,x3) & n_water(x3) & a_white(s1) & Theme(s1,x2)) & n_people(x1) & card_eq_7(x1))
exists e1 x1 x2 x3 x4.(n_people(x1) & on(e1,x4) & n_land(x4) & Theme(e1,x2) & Actor(e1,x1) & v_run(e1) & n_course(x2) & of(x2,x3) & n_obstacle(x3))