7/9

1. exam

1.1. have to stydy

1.1.1. very difficult

2. sports

2.1. baseball

2.1.1. Chunichi Dragons

2.1.1.1. big win

3. Summer Vacation

3.1. part-time job

3.1.1. play sports

4. Pachinko

4.1. hanahana

4.1.1. really interesting