Complex sentence: The Christians consulted each other and refused to accept Muhammad's response to not deify Jesus, Jesus was only mortal created by God but not God himself al-imam together with Muhammad, the two sides scheduled the mubahala for the following morning.
Split into simpler sentences: The Christians consulted each other and refused to accept Muhammad's response to not deify Jesus, to say Jesus was merely mortal, created by God and not God himself al-imam. Together with Muhammad, the two sides scheduled the mubahala for the following morning.