sentence: As you said , the safety of the students is our main concern . We must be completely sure that you will take care of them , chiefly because most of the students are still young and we have a strong commitment to their parents .
modified: As you said , the safety of the students is our maximum concern , we must be completely sure that you will take care of them , chiefly because most of the students are still young and we have a strong commitment to their parents .
transformation: OTHER, PUNCT