4 men are riding on a boat in murky water.
people are riding a boat in murky water
4 men are people. People are riding a boat in murky water, therefore 4 men are riding on a boat in murky water.
exists e1 s1 x1 x2 x3.(on(e1,x2) & in(x2,x3) & n_water(x3) & a_murky(s1) & Theme(s1,x3) & n_boat(x2) & Actor(e1,x1) & v_ride(e1) & n_man(x1) & n_date(x1) & a_date_day_04(x1) & a_date_day_04(x1))
exists e1 s1 x1 x2 x3.(in(e1,x3) & n_water(x3) & a_murky(s1) & Theme(s1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_boat(x2) & n_people(x1))