School replaces naps with meditation

The new semester started Sept 1, and pupils at a primary school in Foshan City, Guangdong province, were asked to sit and quietly meditate instead of taking routine mid-day naps. Parents said that they received notices prior to the practice. Each student was given a piece of newspaper to sit on while an instruction video played by the school's headmaster was aired on how to meditate.

Who asked the pupils to meditate instead of taking mid-day naps?

A. The teachers

B. The headmaster

C. Both the headmaster and the teachers