The Class President believes that the size of the boobs and intelligence are inversely proportional, so she thinks Galko is living a very carefree life.
But, she changes her mind when she sees the bulletin board Galko was intensely staring at.
I... I don't believe there's 
any scientific evidence.
لا أتوقع وجود أية دلائل علمية
I-Ich denke nicht, dass es dafür einen
wissenschaftlichen Beleg gibt.
No creo que haya fundamento científico.
No creo que haya fundamento científico.
Je crois surtout
que c’est pas très scientifique.
N-Non credo che ci sia alcuna
 prova scientifica in merito.
N-Não acredito que haja
 evidências cientificas nisso.