示例：
This is my timetable.
On Monday morning, I have Chinese, Maths and English. On Monday afternoon, I have Music and PE.
On Tuesday morning, I have Maths, English and Chinese. On Tuesday afternoon, I have Science and Art.
On Wednesday morning, I have Chinese, Music and Maths. On Wednesday afternoon, I have PE and English.
On Thursday morning, I have Maths, English and Art. On Thursday afternoon, I have Chinese and Science.
On Friday morning, I have English, Maths and Music. On Friday afternoon, I have Art and PE.
