The man in the middle is studying seriously, while the other men relax.
A group of women are dancing.
Women are not men.
exists e1 p1 s1 x1 x2.(-(x1 = x1) & n_man(x1) & n_man(x1) & n_middle(x2) & exists e2.(Actor(e2,x1) & v_relax(e2)) & while(e1,p1) & a_seriously(s1) & Manner(e1,s1) & Actor(e1,x1) & v_study(e1) & in(x1,x2))
exists e1 x1 x2.(Actor(e1,x1) & v_dance(e1) & of(x1,x2) & n_woman(x2) & n_group(x1))