A man in a blue shirt wearing a backpack walks through a door.
The man is attending a class.
walks through a door doesn't means man is attending a class.
exists e1 e2 s1 x1 x2 x3 x4 x5.(through(e2,x5) & n_door(x5) & Actor(e2,x1) & v_walk(e2) & in(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_wear(e1) & n_backpack(x4) & (x2 = x3) & n_shirt(x2) & a_blue(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1 x2.(n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_attend(e1) & n_class(x2))