An elderly woman wearing glasses is laughing with a middle-aged man.
People are laughing
An elderly woman and middle-aged man are the people so they are laughing.
exists e2 e1 s1 s2 x1 x2 x3 x4.(with(e2,x4) & n_man(x4) & a_middle-aged(s2) & Theme(s2,x4) & Actor(e2,x1) & v_laugh(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_glass(x3) & (x1 = x2) & n_woman(x1) & a_elderly(s1) & Theme(s1,x1))
exists e1 x1.(Actor(e1,x1) & v_laugh(e1) & n_people(x1))