A man with a handkerchief around his mouth and nose in front of a well with graffiti on it.
A man has a handkerchief around his mouth and nose because it smells outside.
This person could have used the handkerchief because it was smoggy outside not because it was smelling.
exists x1 x2 x3 x4 x5 x6 x7 x8.(a_topic(x1) & with(x1,x2) & in(x2,x6) & on(x6,x1) & n_thing(x1) & with(x6,x8) & n_graffitus(x8) & of(x6,x7) & n_well(x7) & n_front(x6) & around(x2,x3) & n_nose(x5) & n_mouth(x4) & subset_of(x5,x3) & subset_of(x4,x3) & of(x3,x1) & n_male(x1) & n_handkerchief(x2) & n_man(x1))
exists e1 p1 x1 x2 x3 x4 x5.(exists e2 p2.(exists s1.(Theme(s1,x1) & a_outside(s1)) & Topic(e2,p2) & Actor(e2,x1) & v_smell(e2)) & n_thing(x1) & because(e1,p1) & around(e1,x3) & n_nose(x5) & n_mouth(x4) & subset_of(x5,x3) & subset_of(x4,x3) & of(x3,x1) & n_male(x1) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_handkerchief(x2) & n_man(x1))