A person walking along a snow covered walkway at night.
The person is male.
Not all people are male.
exists e1 e2 x1 x2 x3 x4 x5.(at(e2,x5) & n_night(x5) & Theme(e2,x4) & Actor(e2,x1) & v_cover(e2) & n_walkway(x4) & along(e1,x3) & n_snow(x3) & Actor(e1,x2) & v_walk(e1) & (x1 = x2) & n_person(x1))
exists s1 x1.(n_person(x1) & Theme(s1,x1) & a_male(s1))