Complex sentence: Mynyddcerrig once had a primary school, Ysgol Mynyddcerrig, which closed in 2007, however, it still has a working men's club and a public park.
Split into simpler sentences: Mynyddcerrig once had a primary school, Ysgol Mynyddcerrig, which closed in 2007. Mynyddcerrig has a working men's club and a public park.