Flags with men in yellow vests in front of them.
There are men with yellow vests.
There are men with yellow vests in front of flags
exists s1 x1 x2 x3 x4.(a_topic(x1) & with(x1,x2) & in(x2,x3) & in(x3,x4) & of(x4,x1) & n_thing(x1) & n_front(x4) & n_vest(x3) & a_yellow(s1) & Theme(s1,x3) & n_man(x2) & n_flag(x1))
exists p1 x1 s1 x2 x3.((x1 = x2) & with(x2,x3) & n_vest(x3) & a_yellow(s1) & Theme(s1,x3) & n_man(x2))