Construction worker in a hard hat and yellow neon vest, working on stairs.
Construction worker is fixing the stairs for an elderly couple
One cannot assume that the worker is fixing the stairs for an elderly couple.
exists e1 s1 s2 s3 x1 x2 x3 x4 x5 x6 x7.(a_topic(s1) & subset_of(x4,s1) & on(e1,x7) & n_stair(x7) & Actor(e1,x6) & v_work(e1) & (x4 = x6) & n_vest(x4) & of(x4,x5) & n_neon(x5) & a_yellow(s3) & Theme(s3,x4) & subset_of(x1,s1) & in(x1,x3) & n_hat(x3) & a_hard(s2) & Theme(s2,x3) & n_worker(x1) & of(x1,x2) & n_construction(x2))
exists e1 s1 x1 x2 x3 x4.(n_stair(x3) & Theme(e1,x3) & Actor(e1,x1) & v_fix(e1) & for(x3,x4) & n_couple(x4) & a_elderly(s1) & Theme(s1,x4) & n_worker(x1) & of(x1,x2) & n_construction(x2))