Which of the following is NOT a run-on sentence? 1.The baker made gingerbread cookies and a gingerbread boy jumped off the cookie sheet and no one could catch it.

2.The Mexican Free-Tailed bat is a type of bat it lives in big groups and a famous group lives under a bridge in Austin, Texas.

3.It was a time of extreme drought many trees died and many animals suffered.

4.Evidence showed the island had been hit by a horrible tsunami.