Complex sentence: Between 1971 and 1995, the main out-of-work sickness payment from the National Insurance scheme was known as Invalidity Benefit and entitlement to it was decided by a civil servant using clinical information and advice provided by a claimant's doctor.
Split into simpler sentences: Between 1971 and 1995, the main out-of-work sickness payment from the National Insurance scheme was known as Invalidity Benefit. Entitlement to it was decided by a civil servant using information and advice provided by the claimant's doctor.