Questão de Inglês

Artificial intelligence has revolutionized many industries by automating complex tasks. However, experts warn that rapid advancements may lead to unintended consequences. Therefore, companies must implement ethical guidelines to ensure responsible development. Moreover, governments are increasingly regulating AI to address privacy concerns. As a result, collaboration between sectors is essential to balance innovation and safety. The word 'however' in the third sentence indicates a relationship of ___ between the ideas presented.