A man in a blue plaid shirt taking a picture.
A man in a red plaid shirt is a photographer.
A man in a blue plaid shirt taking a picture doesn't infer: the shirt is red plaid, or that the man is a photographer.
exists e1 s1 x1 x2 x3 x4 x5.(a_topic(x1) & in(x1,x2) & Theme(e1,x5) & Actor(e1,x4) & v_take(e1) & n_picture(x5) & (x2 = x4) & n_shirt(x2) & of(x2,x3) & n_plaid(x3) & a_blue(s1) & Theme(s1,x2) & n_man(x1))
exists p1 s1 x1 x2 x3.(exists x4.((x1 = x4) & n_photographer(x4)) & in(x1,x2) & n_shirt(x2) & of(x2,x3) & n_plaid(x3) & a_red(s1) & Theme(s1,x2) & n_man(x1))