"Yeah!" Keiko cheered.  She tried not to feel depressed about her job being a simple one - everybody's jobs were important and one person screwing up could ruin the whole thing.  So, she was determined to be excited about doing as she was ordered to do.<br/><br/>Of course, being a robot made it easy for her to feel what she wanted to feel.  She didn't have to worry about her emotions having a mind of their own like some sentient beings had to.