A hippie playing his guitar.
A hippie runs a race.
A hippie can not play a guitar while he runs a race.
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & n_guitar(x3) & of(x3,x1) & n_male(x1) & (x1 = x2) & n_hippie(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_run(e1) & n_race(x2) & n_hippie(x1))