Complex sentence: It is a part of the Weser-Ems Halle multi-sporting complex, which contains two main arena halls, the small Kleine EWE Arena, and the large Große EWE Arena.
Split into simpler sentences: It is a part of the Weser-Ems Halle multi-sporting complex. It contains two main arena halls, the small Kleine EWE Arena, and the large Große EWE Arena.