The lady in the green shirt is laughing.
A woman is laughing at a comedian's joke
It is not implied that the woman is laughing because of a comedian's joke.
exists e1 s1 x1 x2.(n_shirt(x2) & a_green(s1) & Theme(s1,x2) & n_lady(x1) & Actor(e1,x1) & v_laugh(e1) & in(x1,x2))
exists e1 x1 x2 x3.(at(e1,x3) & n_joke(x3) & of(x3,x2) & n_comedian(x2) & Actor(e1,x1) & v_laugh(e1) & n_woman(x1))