A man with a cowboy hat and an anti-tax sign.
the man is a cowboy
Sentence 1 is missing man is a cowboy
exists s1 x1 x2 x3 x4 x5.(a_topic(x1) & with(x1,x2) & subset_of(x5,x2) & n_sign(x5) & a_anti-tax(s1) & Theme(s1,x5) & subset_of(x3,x2) & n_hat(x3) & of(x3,x4) & n_cowboy(x4) & n_man(x1))
exists p1 x1.(n_man(x1) & exists x2.((x1 = x2) & n_cowboy(x2)))