A musician is giving a concert to fans.
Thousands of fans watch
A concert to fans doesn't necessarily imply thousands of fans.
exists e1 x1 x2 x3.(to(e1,x3) & n_fan(x3) & Theme(e1,x2) & Actor(e1,x1) & v_give(e1) & n_concert(x2) & n_musician(x1))
exists e1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_watch(e1) & n_thing(x3) & of(x1,x2) & n_fan(x2) & n_thousand(x1))