Two construction workers wearing yellow rubber boots are sitting next to some pipes.
Two construction workers were scaling the rafters of the building.
wearing and scaling are different actions
exists e1 e2 s1 x1 x2 x3 x4 x5 x6.(to(e2,x6) & n_pipe(x6) & r_next(e2) & Actor(e2,x1) & v_sit(e2) & Theme(e1,x4) & Actor(e1,x3) & v_wear(e1) & n_boot(x4) & of(x4,x5) & n_rubber(x5) & a_yellow(s1) & Theme(s1,x4) & (x1 = x3) & n_worker(x1) & of(x1,x2) & n_construction(x2) & card_eq_2(x1))
exists e1 x1 x2 x3 x4.(n_building(x4) & n_rafter(x3) & Theme(e1,x3) & Actor(e1,x1) & v_scale(e1) & of(x3,x4) & n_worker(x1) & of(x1,x2) & n_construction(x2) & card_eq_2(x1))