Select ALL the correct answers.
Which two choices correctly combine the sentences?

The students worried that the carnival would be canceled due to the rain. The school decided to postpone it instead.
The students worried that the carnival would be canceled due to the rain the school decided to postpone it instead.
The students worried that the carnival would be canceled due to the rain, so the school decided to postpone it instead.
The students worried that the carnival would be canceled due to the rain, but the school decided to postpone it instead.
The students worried that the carnival would be canceled due to the rain and the school decided to postpone it instead.
The students worried that the carnival would be canceled due to the rain; however, the school decided to postpone it instead.