Opposition announces “Null, But Fairer”

{
  "input": {
    "prompt": " Photo of a parliamentary press scrum: the Leader of the Opposition figure at a lectern with a stern expression, flanked by aides holding a placard that reads “NULL, BUT FAIRER” in bold sans-serif. Behind them, supporters hold completely blank protest signs. The setting suggests Westminster (stone walls, corridor lighting) without using identifiable insignia."
  }
}