Ok, so I'm trying to install Firebird on Linux Mint, and when I try the command "sudo apt-get install firebird-emu", I get this error.
 "Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 firebird-emu : Depends: libqt5core5a (>= 5.6.0~beta) but 5.5.1+dfsg-16ubuntu7.2 is to be installed
                Depends: libqt5quick5 (>= 5.6.1) but 5.5.1-2ubuntu6 is to be installed or
                         libqt5quick5-gles (>= 5.6.1) but it is not going to be installed
                Depends: libqt5quickwidgets5 (>= 5.6.0~beta) but it is not going to be installed or
                         libqt5quickwidgets5-gles (>= 5.6.0~beta) but it is not going to be installed
E: Unable to correct problems, you have held broken packages."

Please help