A picture of the clarinet section of a band.
The clarinets are playing in the band.
A picture of the clarinet section does not mean clarinets are playing in the band.
exists x1 x2 x3 x4.(n_section(x2) & of(x2,x3) & n_clarinet(x3) & a_topic(x1) & of(x1,x2) & of(x2,x4) & n_band(x4) & n_picture(x1))
exists e1 x1 x2.(n_band(x2) & n_clarinet(x1) & in(e1,x2) & Actor(e1,x1) & v_play(e1))