A male wearing headphones and standing in front of a microphone.
A guy listens to music while standing in front of a microphone.
Wearing headphones doesn't imply listening to music.
exists e1 e2 x1 x2 x3 x4 x5.(in(e2,x4) & of(x4,x5) & n_microphone(x5) & n_front(x4) & Actor(e2,x3) & v_stand(e2) & n_male(x3) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_headphone(x2) & n_male(x1))
exists e1 e2 x1 x2 x3 x4.(while(e1,e2) & in(e2,x3) & of(x3,x4) & n_microphone(x4) & n_front(x3) & Actor(e2,x1) & v_stand(e2) & to(e1,x2) & n_music(x2) & Actor(e1,x1) & v_listen(e1) & n_guy(x1))