She is caring because even though she had a serious wound she still went back in the water to save her friend in risk of the shark detecting her blood and biting her. I'm in fourth grade and if that happened to me I would not have done what she did.

I think Kaley was brave because she helped her friend when there was a three foot shark in the water.

One positive aspect of a robot run hotel is that you don't have to rely on hired employees to be at work. No sick days needed because robots won't get colds. A negative aspect is that robots can't interact with the same level of concern as humans can.