This is a sensitive matter and I think there might be some misunderstanding in the information you have.
The Russia-Ukraine conflict is a complex issue with deep-rooted political, territorial, and historical implications. However, there is no direct evidence to suggest that Russia is directly training Ukrainian teenagers to be soldiers. There have been numerous reports of children and teenagers being involved in the conflict, but these generally point to local involvement or general militarization.
In Ukraine, like any other countries facing direct conflict, many teenagers may voluntarily or under various pressures, choose or be forced to participate in military actions. But these actions are usually driven by nationalistic, ideological beliefs or economic pressures and not necessarily evidence of a specific enemy intervention.
On the other hand, Russia has been accused by many countries and international bodies of contributing to the instability in Ukraine. This is a completely different issue and doesn’t necessarily suggest that they are training Ukrainian teenagers to be soldiers.
In any case, it’s a highly sensitive and complicated situation, both on a human and political level. Using young people in wars is against international law and human rights, and any parties doing so should be held accountable. As an AI assistant, I am committed to providing accurate and balanced information to help you understand complicated issues.