Class 7 has its first joint lesson with another class. Washinomiya-sensei, the other class' homeroom teacher teaching the cooking lesson, accuses Hibari and her friends of lacking awareness. Refusing to allow her comment to discourage them, the girls continue with the class, but...
Come to think of it, I heard that 
a study by a foreign university
بالمناسبة، سمعتُ عن دراسة من جامعة أجنبيّة
Apropos, laut der Studie einer
ausländischen Universität …
Ahora que lo pienso, una universidad
extranjera llegó a la conclusión
Ahora que lo pienso, una universidad
extranjera llegó a la conclusión
Ça me rappelle l’étude publiée
par une université à l’étranger
E ora che ci penso, secondo uno studio
 condotto da un'università straniera
Pensando bem, eu ouvi que uma universidade
 de outro país fez um estudo que concluiu