Simplify the following text for a Grade 11 native English-speaking person.
Original: This consisted of the West Island Line which is an extension of the Island Line to Kennedy Town , the South Island Line ( East section ) from Admiralty to Ap Lei Chau and the South Island Line ( West section ) that connects the previous two lines .
Simplified: It was made up of the West Island Line that took the Island Line to Kennedy Town , and the South Island Line ( East section ) from Admiralty to Ap Lei Chau and South Island Line ( West section ) that connects the other two lines .