A man taking a photograph in a field of wildflowers.
A man using a Nikon camera is taking a photo of roses.
the man taking photograph.mera need not have a Nikon camera.
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_take(e1) & in(x3,x4) & of(x4,x5) & n_wildflower(x5) & n_field(x4) & n_photograph(x3) & (x1 = x2) & n_man(x1))
exists e2 e1 x1 x2 x3 x4 x5 x6.(Theme(e2,x5) & Actor(e2,x1) & v_take(e2) & of(x5,x6) & n_rose(x6) & n_photo(x5) & Theme(e1,x3) & Actor(e1,x2) & v_use(e1) & n_camera(x3) & (x3 = x4) & ne_org_nikon(x4) & (x1 = x2) & n_man(x1))