A man in glasses sings into a microphone under green lights.
The man is performing in front of a large group.
A man singing into a microphone is not assumed to be performing in front of a large group.
exists s1 x1 x2 x3 x4 x5.(a_topic(x1) & into(x1,x4) & under(x4,x5) & n_light(x5) & a_green(s1) & Theme(s1,x5) & n_microphone(x4) & in(x1,x2) & n_sing(x2) & of(x2,x3) & n_glass(x3) & n_man(x1))
exists e1 s1 x1 x2 x3.(n_man(x1) & in(e1,x2) & of(x2,x3) & n_group(x3) & a_large(s1) & Theme(s1,x3) & n_front(x2) & Actor(e1,x1) & v_perform(e1))