A man in a brown shirt and tan shorts is taking a picture of a napkin as he sits on blanket.
Nobody is taking any pictures.
The picture either includes someone taking pictures, or it doesn't. A man can't be taking pictures if nobody is.
exists e1 p1 s1 s2 x1 x2 x3 x4 x5 x6.(exists e2 x7.(on(e2,x7) & n_blanket(x7) & Actor(e2,x1) & v_sit(e2)) & n_male(x1) & as(e1,p1) & Theme(e1,x5) & Actor(e1,x1) & v_take(e1) & of(x5,x6) & n_napkin(x6) & n_picture(x5) & in(x1,x2) & subset_of(x4,x2) & n_shorts(x4) & a_tan(s2) & Theme(s2,x4) & subset_of(x3,x2) & n_shirt(x3) & a_brown(s1) & Theme(s1,x3) & n_man(x1))
-exists x1.(all x2.(n_picture(x2) -> exists e1.(Theme(e1,x2) & Actor(e1,x1) & v_take(e1))) & n_person(x1))