Complex sentence: Neils, 2001, p.87 It was finished with metal detailing and painted, no colour survives so we must argue by analogy, the background was perhaps blue judging by comparison with grave stelae and the paint remnants on the frieze of the Hephaisteion.
Split into simpler sentences: Neils, 2001, p.87 It was finished with metal detailing and painted. No colour, however, survives, but the background was perhaps blue judging by comparison with grave stelae and the paint remnants on the frieze of the Hephaisteion.