Complex sentence: Gillingham is pronounced with a hard initial'G' as in'gas', unlike Gillingham in Kent, in which the initial'G' is pronounced like the'J' in the name'Jill'.
Split into simpler sentences: Gillingham is pronounced with a hard initial'G' as in'gas'. It is not to be confused with Gillingham in Kent, in which the initial'G' is pronounced like the'J' in the name'Jill'.