A man and woman sit and work on a metal beam.
Two people with yellow jackets are fixing a beam.
We do not know that the man and woman are wearing yellow just from the information given.
exists e1 e2 x1 x2 x3 x4 x5 x6 x7 x8.(on(e2,x7) & n_beam(x7) & of(x7,x8) & n_metal(x8) & Actor(e2,x4) & v_work(e2) & n_woman(x6) & n_man(x5) & subset_of(x6,x4) & subset_of(x5,x4) & Actor(e1,x1) & v_sit(e1) & n_woman(x3) & n_man(x2) & subset_of(x3,x1) & subset_of(x2,x1))
exists e1 s1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_fix(e1) & n_beam(x3) & with(x1,x2) & n_jacket(x2) & a_yellow(s1) & Theme(s1,x2) & n_people(x1) & card_eq_2(x1))