Require listener - make sentence playable only if listener is present.
Listener looks at speaker - make listener look at speaker if possible.
Speaker turns to listener - make speaker to turn their body to the listener if possible (not only the head).
Listener turns to speaker - make listener to turn their body to the speaker if possible (not only the head).
Try once. By default once triggered the script will continue to search for the target monster if it could not find one instantly. This flag prevents such behavior.