Complex sentence: A Roman signal station on the hilltop may be inferred from the presence of many Roman dressed sandstone blocks on the hill, many decorated with a diamond pattern found also on stones at the Roman site of Castlecary on the Antonine Wall.
Split into simpler sentences: A Roman signal station on the hilltop may be inferred from the presence of many Roman dressed sandstone blocks on the hill, many decorated with a diamond pattern. The same pattern was found on stones at the Roman site of Castlecary on the Antonine Wall.