If any of the three computers sends an 'error message', then the answer is 'no'.
In each of these examples, the inconsistency is addressed by sending an error message to the developer.
Otherwise, an error message is printed for the user.
Based on a potential error message, they might modify a word or a sentence that is not in fact wrong and hence make things worse.
In case the signature cannot be verified an error handler is called which may eventually display some error message on the client's display.
It follows that the program has entered an infinite loop, and a suitable error message can be displayed.
Our code detects this and aborts with an error message.
If the word and guess are not the same length you should use the standard function error to print an error message.
