With the panty thief incident already eroding Class D's trust, Horikita finds her leader key card stolen. While they try to figure out who did it, the base camp is thrown into chaos with a new incident of arson.
It wouldn't be worth anything 
without positive proof.
لن يعني ذلك شيئاً بلا دليلٍ دامغ
Solange du keine Bestätigung hast,
ist das Wissen nicht viel wert.
No valdría de nada sin confirmarlo.
No valdría de nada sin confirmarlo.
Si tu n’es pas sûr de toi,
on ne pourra pas en tirer grand-chose.
Non servirebbe a nulla senza delle prove certe.
Não adiantaria saber isso 
sem conhecer o verdadeiro.
Без доказательств эта 
информация мало чего стоит.