He agrees, pointing out that although some of the steps in the puzzle of how and why play is important have been looked at, there is very little data on the impact it has on the child’s later life.の文の構造について。
IELTSの勉強をしている者ですが、この長文（の抜粋）がどうしても分かりません。具体的には、文が長すぎてどこがどこに修飾されているか複雑で理解できません。どなたか詳しく教えてはいただけないでしょうか？
He agrees, pointing out that although some of the steps in the puzzle of how and why play is important have been looked at, there is very little data on the impact it has on the child’s later life.
