A man with a guitar and a microphone stands on stage.
A man is entertaining others from a stage.
A man is entertaining others from a stage, with a guitar and a microphone.
exists e1 x1 x2 x3 x4 x5.(on(e1,x5) & n_stage(x5) & Actor(e1,x1) & v_stand(e1) & with(x1,x2) & subset_of(x4,x2) & n_microphone(x4) & subset_of(x3,x2) & n_guitar(x3) & n_man(x1))
exists p1 x1.(exists s1 x2 x3.((x1 = x2) & from(x2,x3) & n_stage(x3) & -(x2 = x1) & n_person(x2) & a_entertaining(s1) & Theme(s1,x2)) & n_person(x1) & n_man(x1))