These girls are focused on the speaker.
There are boys listening to the speaker.
Boys refers to a group of young males, where girls refers to a group of young females.
exists e1 x1 x2.(n_speaker(x2) & n_girl(x1) & on(e1,x2) & Theme(e1,x1) & v_focus(e1))
exists p1 x1 x4.(n_speaker(x4) & exists e1 x2 x3.((x1 = x2) & to(e1,x4) & Actor(e1,x3) & v_listen(e1) & (x2 = x3) & n_boy(x2)))