A man piloting behind the wheel of a boat.
A captain runs a charter cruise.
Man piloting does not imply captain or that it is a charter cruise.
exists e1 x1 x2 x3 x4.(n_wheel(x3) & a_topic(x1) & behind(e1,x3) & of(x3,x4) & n_boat(x4) & Actor(e1,x2) & v_pilot(e1) & (x1 = x2) & n_man(x1))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_run(e1) & n_cruise(x2) & of(x2,x3) & n_charter(x3) & n_captain(x1))