There are four people in a kayak riding along a body of water.
Four people riding in a kayak
Four people are just riding in a kayak along a body of water.
exists p1 x1 x2 x3 x4 x5.(along(p1,x4) & of(x4,x5) & n_water(x5) & n_body(x4) & in(p1,x2) & n_riding(x2) & of(x2,x3) & n_kayak(x3) & exists x6.((x1 = x6) & n_people(x6) & card_eq_4(x6)))
exists e1 x1 x2 x3.(a_topic(x1) & in(e1,x3) & n_kayak(x3) & Actor(e1,x2) & v_ride(e1) & (x1 = x2) & n_people(x1) & card_eq_4(x1))