A musician playing acoustic while other in the area listen.
Joggers compete in a race.
A musician playing acoustic contradicts joggers competing in a race.
exists e1 s1 s2 x1 x2 x3 x4.(n_area(x4) & Actor(e1,x1) & v_listen(e1) & in(x1,x4) & Theme(s2,x3) & a_other(s2) & (x1 = x3) & n_acoustic(x1) & of(x1,x2) & n_playing(x2) & a_musician(s1) & Theme(s1,x1))
exists e1 x1 x2.(in(e1,x2) & n_race(x2) & Actor(e1,x1) & v_compete(e1) & n_jogger(x1))