A woman and man are opening a mixer box.
A woman is standing alone while opening a box.
A woman and a man are two people and woman standing alone is only one person.
exists e1 x1 x2 x3 x4 x5.(Theme(e1,x4) & Actor(e1,x1) & v_open(e1) & n_box(x4) & of(x4,x5) & n_mixer(x5) & n_man(x3) & n_woman(x2) & subset_of(x3,x1) & subset_of(x2,x1))
exists e1 e2 s1 x1 x2.(while(e1,e2) & Theme(e2,x2) & Actor(e2,x1) & v_open(e2) & n_box(x2) & a_alone(s1) & Manner(e1,s1) & Actor(e1,x1) & v_stand(e1) & n_woman(x1))