if($_POST['color'] == 'red')
	{
		print '<p style = "color:red;">Red is your favourite color</p>;'
	}
	elseif($_POST['color']== 'yellow')
	{
		print '<p style = "color:yellow;">Yellow is your favourite color</p>';
	}
	elseif($_POST['color'] =='green')
	{
		print '<p style = "color:green;">Green is your favourite color</p>';
	}
	elseif($_POST['color'] == blue)
	{
		print '<p style = "color:blue;">Blue is your favourite color</p>';
	}
	else
	{
		print '<p class = "error">Select your favourite color</p>';
	}