A person wearing a sweater looks at a spill on some brick steps outside.
A person notices something on the ground.
I am unsure whether the something on the ground is different than the spill, but it might be.
exists e1 e2 s1 x1 x2 x3 x4 x5 x6.(a_outside(s1) & Manner(e2,s1) & at(e2,x4) & on(x4,x5) & n_step(x5) & of(x5,x6) & n_brick(x6) & n_spill(x4) & Actor(e2,x1) & v_look(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_sweater(x3) & (x1 = x2) & n_person(x1))
exists e1 x1 x2 x3.(n_ground(x3) & on(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_notice(e1) & n_thing(x2) & n_person(x1))