Four men in a local band performing on the street.
One man plays a guitar alone on the sidewalk.
One man is singular while four men is plural.
exists e1 s1 x1 x2 x3 x4.(n_street(x4) & a_topic(x1) & in(x1,x2) & on(e1,x4) & Actor(e1,x3) & v_perform(e1) & (x2 = x3) & n_band(x2) & a_local(s1) & Theme(s1,x2) & n_man(x1) & card_eq_4(x1))
exists e1 x1 x2 x3.(n_sidewalk(x3) & on(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & r_alone(x2) & n_guitar(x2) & n_man(x1) & card_eq_1(x1))