我還在考慮。因為我之後也要面試，所以一定要回去。

我還在考慮。因為我之後也要面試，所以一定要回去。

Results (English) 1:

I'm still thinking about it. Because I will have an interview later, I must go back.

Results (English) 2:

I'm still thinking about it. Because I have to interview later, so I must go back.

Results (English) 3:

I'm still thinking about it. Because I have to interview later, I must go back.