Complex sentence: In 2005--06, Leinster progressed to the semi-final but were eliminated by Irish rivals Munster at Lansdowne Road and they reached the quarter-final the following year where they were beaten by eventual winners London Wasps.
Split into simpler sentences: In 2005--06, Leinster progressed to the semi-final but were eliminated by Irish rivals Munster at Lansdowne Road. Leinster reached the quarter-final the following year where they were beaten by London Wasps.