Complex sentence: The Monaco Grand Prix traditionally begins on a Thursday, with Friday as a day of rest, while practice sessions for the Singapore and Abu Dhabi Grands Prix take place in the evening as these races are run at night.
Split into simpler sentences: The Monaco Grand Prix traditionally begins on a Thursday, with Friday as a day of rest. Practice sessions for the Singapore and Abu Dhabi Grands Prix take place in the evening as these races are run at night.