Given reviews from Amazon, classify those review based on their content into two classes: Negative or Positive.

Needed place for kids to sleep while visiting grandma and now they argue over who gets to sleep on the air mattress. Both think it's more comfy than their bed at home.Would have given 5 stars, but the bag it comes with to put it in is worthless, no chance of ever getting it in there again.
Positive

While Jawbone make a great blue tooth ear bud, it doesn't interface with ears well. The Jabra solution doesn't work. It doesn't hold the ear bud well allowing it to fall off at the most inconvieniant times. It also hurts your ear and is difficult to insert. It's not the answer, friends.
Negative

I already had the DVD version and wanted to see it in 3D. There are a few scenes where things pop out at you, but the overall depth of the video was less than what I was expecting. I'm still glad I purchased it in 3D and have watched it twice since owning it. I watched it on a LG Plasma with active 3D glasses.

Positive