Additional content is a student in the country, Thailand, 1 classroom, students, about 50 people in the country, USA 1 classroom students just 25 per classroom only.
Additional content is available to students in the first class of about 50 students, but in the USA. First class is just 25 students per one classroom.
The additional content; students in classroom will be 1 students about 50 people, but in the country USA 1 class students will just 25 per 1 class only.