Two middle-aged men, one of which is holding a camera, have a conversation on the sidewalk.
One man is asking the other if he can take a picture.
Two mean can be having a conversation without one of them asking the other if he can take a picture
exists e1 e2 s1 x1 x2 x3 x4 x5 x6.(n_sidewalk(x4) & Theme(e2,x6) & Actor(e2,x5) & v_hold(e2) & n_camera(x6) & of(x5,x2) & n_one(x5) & Theme(e1,x3) & Actor(e1,x1) & v_have(e1) & on(x3,x4) & n_conversation(x3) & (x1 = x2) & n_man(x1) & a_middle-aged(s1) & Theme(s1,x1) & card_eq_2(x1))
exists x1 x4.(n_other(x4) & n_male(x1) & all p1 e1.((exists e2 x2.(Theme(e2,x2) & Actor(e2,x1) & v_take(e2) & n_picture(x2)) & Topic(e1,p1) & Actor(e1,x1) & v_can(e1)) -> exists e3 x3.(Theme(e3,x4) & Actor(e3,x3) & v_ask(e3) & n_man(x3) & card_eq_1(x3))))