hich sentence uses commas correctly?


The tornado drill, I believe is held, so that we will know what to do in case of severe weather.


The tornado drill, I believe, is held so that we will know what to do in case of severe weather.


The tornado drill, I believe is held so that we will know what to do in case of severe weather.


The tornado drill, I believe, is held so that we will know what to do, in case of severe weather.

Respuesta :

The tornado drill, I believe is held, so that we will know what to do incase of severe weather.
The second sentence, I believe!