Private use including research; (ii) criticism or review,whether of that work or of any other work; xxx xxx xxx (i) the performance,in the course of the Activities of an educational institution,of a literary,dramatic or musical work by the staff and student of the institution,or of a cinematograph film or a sound recording,if the audience is limited to such staff and students,the parents and guardians of the students and persons directly connected with the Activities of the institution or the communication to such an audience of a cinematograph film or sound recording