Complex sentence: Before Christmas 2009, Tina and Jason row after it is discovered that Jason is still legally married to Sarah, in retaliation; she goes out on the town and kisses Nick Tilsley (Ben Price) his brother-in-law.
Split into simpler sentences: Before Christmas 2009, Tina and Jason row after it is discovered that Jason is still legally married to Sarah. In retaliation, she shares a kiss with Nick Tilsley (Ben Price) his brother-in-law.