public function ask($question, $weight = "y") {
		$question = self::format($question);
		$y = $weight == 'y' ? 'Y' : 'y';
		$n = $weight == 'n' ? 'N' : 'n';
		$answer = $this->prompt("$question [$y/$n]");
		$line = trim(strtolower($answer));
		
		if(empty($line)) {
			$line = $weight;
		}

		return in_array($line, array('y','yes'));
	}