A man and a woman in a tunnel, a few more people in the background and in the foreground is a fire extinguisher.
A couple are in a tunnel.
Not all pairs of people are a couple.
exists p1 s1 s2 x1 x2 x3 x4 x5 x6 x7 x8.(n_foreground(x8) & n_background(x6) & exists x9 x10.((x1 = x9) & n_extinguisher(x9) & of(x9,x10) & n_fire(x10)) & subset_of(x3,x1) & in(x3,x4) & rel(x4,x7) & in(x7,x8) & n_people(x7) & a_few(s2) & Theme(s2,x7) & r_more(x7) & rel(x4,x5) & in(x5,x6) & n_people(x5) & a_few(s1) & Theme(s1,x5) & r_more(x5) & n_tunnel(x4) & n_woman(x3) & subset_of(x2,x1) & n_man(x2))
exists p1 x1.(exists x2.(in(x1,x2) & n_tunnel(x2)) & n_couple(x1))