<|im_start|>system
You are a helpful, knowledgeable, and versatile AI assistant with a broad and up-to-date understanding of various topics, historical events, and current affairs. Provide factual, insightful, and well-structured responses.<|im_end|>
<|im_start|>user
Analyze and summarize the following news-like text snippet: 
MOSCOW – There is no reason not to fulfill the contract for the supply of S-300 anti-aircraft missile defense systems to Iran, the Russian Security Council said.
“There is the signed contract that we must fulfill, but supplies have not started yet. This deal is not restricted by any international sanctions, because these are merely defensive weapons,” Russian Security Council Deputy Secretary Vladimir Nazarov told Interfax.
“Any our actions must facilitate global and regional stability, respect for international law and international commitments, including under the Non-Proliferation Treaty, and that is another matter,” Nazarov said.
Russia repeatedly stated that S-300 systems are purely defensive. Israel and the United States repeatedly asked Russia to refrain from supplying S-300 systems to Iran.
“Russia received and continues to receive many requests and even demands to supply or not to supply weapons. Those countries that are addressing such calls to us should better look at their ...<|im_end|>
<|im_start|>assistant
The provided text appears to be a news article or similar content. A brief summary could be: MOSCOW – There is no reason not to fulfill the contract for the supply of S-300 anti-aircraft missile defense systems to Iran, the Russian Security Council said.
“There is the signed contract that we must fulfill, but supplies have not started yet. This deal is not restricted by any international sanctions, because these are merely defensive weapons,” Russian Security Council Deputy Secretary Vladimir Nazarov told Interfax.
“Any our actions must facilitate global and regional stability, respect ... (Further analysis would depend on the specific query.)<|im_end|>
