A guitarist drops to his knees during a set.
the guitarist is on the tour bus writing a song
The guitarist cannot be on a set and on the tour bus at the same time
exists e1 x1 x2 x3.(during(e1,x3) & n_set(x3) & to(e1,x2) & n_knee(x2) & of(x2,x1) & n_male(x1) & Actor(e1,x1) & v_drop(e1) & n_guitarist(x1))
exists p1 x1 x2 x3.(n_bus(x2) & of(x2,x3) & n_tour(x3) & n_guitarist(x1) & exists e1 x4 x5.(on(x1,x2) & Theme(e1,x5) & Actor(e1,x4) & v_write(e1) & n_song(x5) & (x2 = x4)))