Записи, так и не понял где ошибка... Опции

[Student91]

program laba ;
type

   pol = (m, f);
   place = (gorod, selo);
   yes_no = (da, net);
   people =  record
      fam: string[20];
      imya: string[20];
      godro: 1900..2011;
      mesto: place;
      obwejitie: yes_no;
      grupp: 101..103;
		case mw:pol of
         m: (voen: boolean);
         f: (merry: boolean);
   end;

var
   student: array [1..100] of people;
   i, n, count: integer;
   ans : integer;

begin
   writeln ('vvedite kol-vo studentov');
   readln (n);
   for i:=1 to n do
   with student[i] do
   begin
      writeln ('vvedite svediniya o', I , '-m studente');
      writeln ('vvedite familiy');
      readln(fam);
      writeln ('vvedite imya');
      readln(imya);
      writeln ('vvedite god rozdeniya (1900-2011)');
      readln(godro);
      writeln ('mesto : (0 = gorod; 1 = selo)');
      readln(ans); mesto := place(ans);
      writeln ('obwejitie : (0 = nado; 1 = nenado)');
      readln(ans);
      obwejitie := yes_no(ans);
      writeln ('pol : (0 = male; 1 = female)');
      readln(ans);
      obwejitie := pol(ans);
      writeln ('vvedite group');
      readln(grupp);
   end;
   writeln ('vvod zakonchen');
   writeln ;

   count := 0;
   for i:=1 to n do
      if student[i].obwejitie = da then count := count + 1;

   writeln(' obwejitie nyshno: ', count);
end. 

[sheka]

pol = (m, f);
..
obwejitie: yes_no;
..
obwejitie := pol(ans); //отута