The mother is in the kitchen cleaning, she has her cleaning clothes on.
A mother is cleaning up in the kitchen before her family comes home.
A mother cleaning doesn't imply she is expecting the return of her family
exists p1 x1 x2 x3 x4.(n_clothes(x4) & of(x4,x2) & n_cleaning(x2) & n_cleaning(x2) & of(x4,x2) & n_female(x2) & n_female(x2) & of(x2,x3) & n_kitchen(x3) & n_mother(x1) & exists p2.(in(x1,x2) & exists e1 s1.(a_on(s1) & Manner(e1,s1) & Theme(e1,x4) & Actor(e1,x2) & v_have(e1)) & that(x2,p2)))
exists e1 p1 s1 x1 x2 x3.(n_family(x3) & of(x3,x2) & n_female(x2) & n_kitchen(x2) & exists e2 x4.(Time(e2,x4) & n_home(x4) & Actor(e2,x3) & v_come(e2)) & before(e1,p1) & a_up(s1) & Manner(e1,s1) & in(e1,x2) & Actor(e1,x1) & v_clean(e1) & n_mother(x1))