Complex sentence: They celebrate and start to leave but the bear breaks out of the shack and they both try to escape, unfortunately, Wes trips and Lauren tries to get him back up, but, sadly, the bear charges and mauls them.
Split into simpler sentences: They celebrate and start to leave but the bear breaks out of the shack and they both try to escape. Unfortunately, Wes trips and Lauren tries to get him back up, but, sadly, the bear charges and mauls them.