A person wearing dungarees at the top of a wooden staircase viewed from below.
Someone is sitting at the top of the staircase.
One is not specified to be sitting nor viewed from a certain angle.
exists e1 e2 s1 x1 x2 x3 x4 x5 x6 x7.(n_top(x4) & a_topic(x1) & at(e1,x4) & of(x4,x5) & from(e2,x7) & n_below(x7) & Theme(e2,x6) & v_view(e2) & (x5 = x6) & n_staircase(x5) & a_wooden(s1) & Theme(s1,x5) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_dungarees(x3) & (x1 = x2) & n_person(x1))
exists e1 x1 x2 x3.(n_staircase(x3) & n_top(x2) & at(e1,x2) & of(x2,x3) & Actor(e1,x1) & v_sit(e1) & n_person(x1))