Two men operate an inflatable motorized watercraft in front of sailboats.
Two men are in front of some sort of boat on a inflatable motor boat.
A SAILBOAT IS A SORT OF BOAT.
exists e1 e2 s1 x1 x2 x3 x4.(Theme(e2,x2) & Actor(e2,x1) & v_operate(e2) & in(x2,x3) & of(x3,x4) & n_sailboat(x4) & n_front(x3) & n_watercraft(x2) & Theme(e1,x2) & v_motorize(e1) & a_inflatable(s1) & Theme(s1,x2) & n_man(x1) & card_eq_2(x1))
exists p1 x1.(exists s1 x2 x3 x4 x5 x6.(in(x1,x2) & on(x2,x5) & n_boat(x5) & of(x5,x6) & n_motor(x6) & a_inflatable(s1) & Theme(s1,x5) & of(x2,x3) & of(x3,x4) & n_boat(x4) & n_sort(x3) & n_front(x2)) & n_man(x1) & card_eq_2(x1))