Men performing in front of a crowd.
The men are famous.
not all men are famous.
exists e1 x1 x2 x3 x4.(a_topic(x1) & in(e1,x3) & of(x3,x4) & n_crowd(x4) & n_front(x3) & Actor(e1,x2) & v_perform(e1) & (x1 = x2) & n_man(x1))
exists s1 x1.(n_man(x1) & Theme(s1,x1) & a_famous(s1))