There are 6 choices for the alternative x-terminal-emulator (providing /usr/bin/x-terminal-emulator).
Selection Path Priority Status
------------------------------------------------------------
* 0 /usr/bin/terminator 50 auto mode
1 /usr/bin/koi8rxterm 20 manual mode
2 /usr/bin/lxterm 30 manual mode
3 /usr/bin/mate-terminal.wrapper 30 manual mode
4 /usr/bin/terminator 50 manual mode
5 /usr/bin/uxterm 20 manual mode
6 /usr/bin/xterm 20 manual mode
Press <enter> to keep the current choice[*], or type selection number: