The goal of this task is to translate questions in Catalan into English. The requirements of the translation is that: the text must be equivalent in meaning, the text must not be ambiguous, and the text must be written as a question

Quan es va sotmetre Renània al Tractat de Versalles?
When was Europe fully forested and recovered from the last Ice Age?

Com s’anomena el procés mitjançant el qual s’evita el sistema immunitari adaptatiu a partir del canvi d’epítops no essencials?
Evolution of what part of the immune system occurred in the evolutionary ancestor of jawed vertebrates?

En quins anys dos reglaments que van entrar en conflicte amb una llei italiana es van originar en el cas de Simmenthal SpA?

What were the years two Regulations that conflicted with an Italian law originate in the Simmenthal SpA case?

