Complex sentence: On the first Wednesday of each month, a free tour is given by a Blue Badge tourist guide, which starts at 2 pm and lasts up to 2 hours and concludes with tea and biscuits in the Lord Mayor's Tea Room.
Split into simpler sentences: On the first Wednesday of each month, a free tour is given by a Blue Badge tourist guide. This starts at 2 pm and lasts up to 2 hours and concludes with tea and biscuits in the Lord Mayor's Tea Room.