A middle-aged man wearing glasses and a middle-aged woman both look grumpy and upset.
Two middle-aged people do not look happy.
grumpy  implies do not look happy.
exists e2 e1 p1 s1 s2 x1 x2 x3 x4 x5 x6.(exists s3 s4.(Theme(s4,x1) & a_upset(s4) & Theme(s3,x1) & a_grumpy(s3)) & Topic(e2,p1) & Actor(e2,x1) & v_look(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & subset_of(x5,x3) & Time(x5,x6) & n_both(x6) & n_woman(x5) & a_middle-aged(s2) & Theme(s2,x5) & subset_of(x4,x3) & n_glass(x4) & (x1 = x2) & n_man(x1) & a_middle-aged(s1) & Theme(s1,x1))
exists s1 x1.(-exists e1 p1.(exists s2.(Theme(s2,x1) & a_happy(s2)) & Topic(e1,p1) & Actor(e1,x1) & v_look(e1)) & n_people(x1) & a_middle-aged(s1) & Theme(s1,x1) & card_eq_2(x1))