A man in a black shirt plays guitar hero, while another man sits and watches.
A man is playing Dance Dance Revolution.
can be playing dance dance revolution and guitar hero at the same time
exists e1 p1 s1 x1 x2 x3 x4 x6.(exists e3 e2 x5 x7.(Actor(e3,x7) & v_watch(e3) & n_man(x7) & -(x7 = x6) & Actor(e2,x5) & v_sit(e2) & n_man(x5) & -(x5 = x1)) & n_man(x6) & n_man(x1) & n_man(x1) & while(e1,p1) & Theme(e1,x3) & Actor(e1,x1) & v_play(e1) & n_hero(x3) & of(x3,x4) & n_guitar(x4) & in(x1,x2) & n_shirt(x2) & a_black(s1) & Theme(s1,x2))
exists e1 x1 x2 x3 x4.(ne_org_revolution(x2) & (x2 = x4) & ne_org_dance(x4) & (x2 = x3) & ne_org_dance(x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_man(x1))