A student is caught cheating with his cell-phone, and Chiaki is super-mad! He calls all the students to an assembly and angrily threatens to destroy the phone of anybody who's caught with one on school grounds.  The students begin to get angry...
Taking action always means 
getting a reaction.
الفعل يعني وجود ردة فعل دائماً
Jedes Handeln
Toda acción
siempre conlleva una reacción.
Toute action entraîne des réactions
diverses et variées.
Quando si fa una certa mossa, succede così.
Efetuar uma ação é sempre 
receber um reação.
Люди всегда будут как-то
реагировать на любые поступки.