Old man sleeping alone on a plane with a bag in his lap.
A pilot has fallen asleep on the plane by himself.
An old man sleeping alone on a plane with a bag in his lap does not have to be a pilot.
exists e1 s1 s2 x1 x2 x3 x4 x5.(a_topic(x1) & with(e1,x4) & in(x4,x5) & n_lap(x5) & of(x5,x1) & n_male(x1) & n_bag(x4) & a_alone(s2) & Manner(e1,s2) & on(e1,x3) & n_plane(x3) & Actor(e1,x2) & v_sleep(e1) & (x1 = x2) & n_man(x1) & a_old(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(n_male(x2) & n_plane(x2) & by(e1,x2) & on(e1,x2) & a_asleep(s1) & Manner(e1,s1) & Actor(e1,x1) & v_fall(e1) & n_pilot(x1))