A middle-aged man and women in a blue shirt look at the man's diploma.
a man and a woman surf
A man and a woman cannot be looking at a diploma and surfing simultaneously.
exists s1 s2 s3 x1 x2 x3 x4 x5.(a_topic(s1) & subset_of(x2,s1) & in(x2,x3) & at(x3,x5) & n_diploma(x5) & of(x5,x1) & n_man(x1) & n_man(x1) & n_look(x3) & of(x3,x4) & n_shirt(x4) & a_blue(s3) & Theme(s3,x3) & n_woman(x2) & subset_of(x1,s1) & a_middle-aged(s2) & Theme(s2,x1))
exists s1 x1 x2 x3.(a_topic(s1) & subset_of(x2,s1) & n_surf(x2) & of(x2,x3) & n_woman(x3) & subset_of(x1,s1) & n_man(x1))