input: Background: In some countries, formal education can take place through home schooling. Informal learning may be assisted by a teacher occupying a transient or ongoing role, such as a family member, or by anyone with knowledge or skills in the wider community setting.
  Question: What is the opposite of an ongoing role of teaching?
  Answer:<extra_id_0>.
output: <extra_id_0> transient<extra_id_1>