A man with pink hair is helping an older man that is sitting down.
A father and son take a walk down the street.
The two men cannot both walk if one is sitting down
exists e2 e1 s1 s2 s3 x1 x2 x3 x4.(Theme(e2,x3) & Actor(e2,x1) & v_help(e2) & a_down(s3) & Manner(e1,s3) & Actor(e1,x4) & v_sit(e1) & (x3 = x4) & n_man(x3) & r_more(s2) & a_older(s2) & Theme(s2,x3) & with(x1,x2) & n_hair(x2) & a_pink(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1 x2 x3 x4 x5.(n_street(x5) & down(e1,x5) & Theme(e1,x4) & Actor(e1,x1) & v_take(e1) & n_walk(x4) & n_son(x3) & n_father(x2) & subset_of(x3,x1) & subset_of(x2,x1))