Complex sentence: The structure dates to the Early Helladic II period (2500--2300 BC) and is sometimes interpreted as the dwelling of an elite member of the community, a proto-palace, or an administrative center.
Split into simpler sentences: The structure dates to the Early Helladic period II (2500--2300 BC). It is sometimes interpreted as the dwelling of an elite member of the community, a proto-palace, or administrative center.