A three-man band performs.
The band performs
A three-man band is a type of band.
exists s1 x1 x2.(a_topic(x1) & n_perform(x1) & of(x1,x2) & n_band(x2) & a_three-man(s1) & Theme(s1,x1))
exists e1 x1.(n_band(x1) & Actor(e1,x1) & v_perform(e1))