A man in a white shirt is laughing.
The man in the white shirt is happy.
laughing implies .happy.
exists e1 s1 x1 x2.(Actor(e1,x1) & v_laugh(e1) & in(x1,x2) & n_shirt(x2) & a_white(s1) & Theme(s1,x2) & n_man(x1))
exists s1 s2 x1 x2.(n_shirt(x2) & a_white(s1) & Theme(s1,x2) & n_man(x1) & Theme(s2,x1) & a_happy(s2) & in(x1,x2))