A man with dreads and a guitar, is clapping while performing on stage.
A man doesn't know how to play guitar so he claps instead.
A man claps on stage does not imply the man doesn't know how to play the guitar.
exists e1 e2 x1 x2 x3 x4 x5.(while(e1,e2) & on(e2,x5) & n_stage(x5) & Actor(e2,x1) & v_perform(e2) & Actor(e1,x1) & v_clap(e1) & with(x1,x2) & subset_of(x4,x2) & n_guitar(x4) & subset_of(x3,x2) & n_dread(x3) & n_man(x1))
exists x1.(-exists e1 x2.(Topic(e1,x2) & Actor(e1,x1) & v_know(e1) & n_manner(x2) & exists e2 p1 x3 x4.(exists e3 s1.(a_instead(s1) & Manner(e3,s1) & Actor(e3,x1) & v_clap(e3)) & so(e2,p1) & Theme(e2,x4) & Actor(e2,x3) & v_play(e2) & n_guitar(x4))) & n_male(x1) & n_man(x1))