Two men in the cockpit of a small aircraft.
Two brothers fly a small aircraft over a field.
Not all men are brothers. In the cockpit of a small aircraft does not necessarily imply fly over a field.
exists s1 x1 x2 x3.(n_cockpit(x2) & a_topic(x1) & in(x1,x2) & of(x2,x3) & n_aircraft(x3) & a_small(s1) & Theme(s1,x3) & n_man(x1) & card_eq_2(x1))
exists e1 s1 x1 x2 x3.(over(e1,x3) & n_field(x3) & n_aircraft(x2) & a_small(s1) & Theme(s1,x2) & Time(e1,x2) & Actor(e1,x1) & v_fly(e1) & n_brother(x1) & card_eq_2(x1))