A bearded, bespectacled man is singing.
A man is talking.
Singing and talking are not the same.
exists e1 s1 s2 s3 x1.(Actor(e1,x1) & v_sing(e1) & n_man(x1) & a_bespectacled(s3) & Theme(s3,x1) & a_,(s2) & Theme(s2,x1) & a_bearded(s1) & Theme(s1,x1))
exists e1 x1.(Actor(e1,x1) & v_talk(e1) & n_man(x1))