A young woman in "street clothes" and boots by a lake performing a ballet move.
A young woman was painting.
The woman by the lake was in street clothes and boots which are not ballet clothes so she has to be painting.
exists e1 s1 s2 x1 x2 x3 x4 x5 x6 x7 x8 x9.(a_topic(x1) & Theme(e1,x8) & Actor(e1,x7) & v_perform(e1) & n_move(x8) & of(x8,x9) & n_ballet(x9) & (x1 = x7) & by(x1,x6) & n_lake(x6) & in(x1,x2) & n_boot(x4) & n_clothes(x3) & a_''(s2) & Theme(s2,x3) & of(x3,x5) & n_street(x5) & subset_of(x4,x2) & subset_of(x3,x2) & n_woman(x1) & a_young(s1) & Theme(s1,x1))
exists p1 s1 x1.(exists x2.((x1 = x2) & n_painting(x2)) & n_woman(x1) & a_young(s1) & Theme(s1,x1))