What is the fine-grained topic of the following text: Eastwood MSP, Jackson Carlaw, and East Renfrewshire MP, Paul Masterton, joined constituents at The Greenhouse Cafe in Eastwood Health Centre to celebrate the 70th anniversary of the founding of Scotland's National Health Service. Only return the topic.
70th anniversary celebration of Scotland's National Health Service at The Greenhouse Cafe with Eastwood's representatives.