Can MT4 signals work with MT5 and vice versa?

 
Can MT4 signals work with MT5 and vice versa?
 Using my phone looking through  the threads and could not find similar question.  So I asked here.

Thanks in advance folks.  
 
No, they can't I'm afraid.
 
Eleni Anna Branou:
No, they can't I am afraid.
Thanks.  It would be great though if the programmers could make it happen. 
Reason: