Two women in library the librarian assist the other women to help in her research.
A patron is simply returning some books she had checked out.
A patron is one person, while two women is two people. Simply returning some books is not assisting other women in research.
exists e1 p1 x1 x2 x3 x4 x5.(-(x4 = x1) & n_woman(x4) & Theme(e1,x4) & Actor(e1,x1) & v_assist(e1) & Topic(x4,p1) & exists e2.(in(e2,x5) & Actor(e2,x4) & v_help(e2)) & n_research(x5) & of(x5,x2) & n_female(x2) & n_woman(x1) & n_woman(x1) & in(x1,x2) & n_librarian(x3) & (x2 = x3) & n_library(x2) & card_eq_2(x1))
exists e1 e2 s1 s2 x1 x2 x3.(a_simply(s2) & Manner(e2,s2) & Theme(e2,x2) & Actor(e2,x1) & v_return(e2) & a_out(s1) & Manner(e1,s1) & Theme(e1,x3) & Actor(e1,x1) & v_check(e1) & (x2 = x3) & n_female(x1) & n_book(x2) & n_patron(x1))