A boy and girl are dancing.
A boy and girl go out for ice cream.
A boy and girl are either dancing or out for ice cream.
exists e1 x1 x2 x3.(Actor(e1,x1) & v_dance(e1) & n_girl(x3) & n_boy(x2) & subset_of(x3,x1) & subset_of(x2,x1))
exists e1 s1 x1 x2 x3 x4 x5.(for(e1,x4) & n_cream(x4) & of(x4,x5) & n_ice(x5) & a_out(s1) & Manner(e1,s1) & Actor(e1,x1) & v_go(e1) & n_girl(x3) & n_boy(x2) & subset_of(x3,x1) & subset_of(x2,x1))