A bearded man in a white t-shirt is riding a motorcycle.
the man is flying in a plane
One cannot be riding and flying simultaneously.
exists e1 s1 s2 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_ride(e1) & n_motorcycle(x3) & in(x1,x2) & n_t-shirt(x2) & a_white(s2) & Theme(s2,x2) & n_man(x1) & a_bearded(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_man(x1) & in(e1,x2) & n_plane(x2) & Actor(e1,x1) & v_fly(e1))