The Good Friday Agreement provides the avenue for lrish unity based on the right of Seit­ determination and the principle of consent. The power to trigger a referendum rests with the British Secretary of State and Sinn Fein MPs will continue to call on them to set out, in clear and unambiguous terms, the circumstances in which they will call the referendum.
This example text from a political party manifesto is about the need to expand/improve policy on education