Oregon percussionists are marching with the band.
The pecussionists are talented.
Oregon percussionists are marching with the band but they may not be talented.
exists e1 x1 x2 x3.(n_band(x3) & with(e1,x3) & Actor(e1,x1) & v_march(e1) & n_percussionist(x1) & (x1 = x2) & ne_per_oregon(x2))
exists e1 x1.(n_pecussionist(x1) & Theme(e1,x1) & v_talent(e1))