<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>challengestrings.html</title>
</head>
<body>
<script language="JavaScript" type="text/javascript">
sentence1="Joe once met a man named Jim O'Brien.";
sentence2='Jim said "is that your car?"';
sentence3="Joe doesn't own a car.;
paragraph=sentence1+" "+sentence2+" "+sentence3;
// display output
document.write(paragraph);
</script>
</body>
</html>