A program that will ask the user to give a sentence or a series of strings. Our program will count the number of words that can be found on the given sentences or a series of strings using Pascal programming language.

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Program Listing
program WordCount;

var
  sentence: string;
  count: integer;
  i: integer;
  inWord: boolean;

begin
  Writeln;
  Write('Word Count in Pascal');
  writeln;
  writeln('Enter a sentence:');
  readln(sentence);
  
  count := 0;
  inWord := false;
  
  for i := 1 to length(sentence) do
  begin
    if sentence[i] in ['a'..'z', 'A'..'Z', '0'..'9'] then
    begin
      if not inWord then
      begin
        inWord := true;
        count := count + 1;
      end;
    end
    else
    begin
      inWord := false;
    end;
  end;
  
  writeln('The sentence "', sentence, '" contains ', count, ' words.');
  
  readln; 
end.