Complex sentence: The son of ex-player Charlie Christie, he was a product of the Inverness Caledonian Thistle youth system, played first team football with Inverness for 4 successful years before signing for Celtic for £500,000 on 31 August 2015.
Split into simpler sentences: The son of ex-player Charlie Christie, he was a product of the Inverness Caledonian Thistle youth system. He played first team football with Inverness for four successful years before signing for Celtic for £500,000 on 31 August 2015.