Two men in green safety vests and white helmets performing some work near orange cones with white stripes.
There are no vests
There can either be green vests or no vests.
exists e1 s1 s2 s3 x1 x2 x3 x4 x5 x6 x7 x8 x9 x10.(a_topic(x1) & near(e1,x8) & with(x8,x10) & n_stripe(x10) & a_white(s3) & Theme(s3,x10) & n_cone(x8) & of(x8,x9) & n_orange(x9) & Theme(e1,x7) & Actor(e1,x6) & v_perform(e1) & n_work(x7) & (x1 = x6) & in(x1,x2) & subset_of(x5,x2) & n_helmet(x5) & a_white(s2) & Theme(s2,x5) & subset_of(x3,x2) & n_vest(x3) & of(x3,x4) & n_safety(x4) & a_green(s1) & Theme(s1,x3) & n_man(x1) & card_eq_2(x1))
exists p1 x1.-exists x2.((x1 = x2) & n_vest(x2))