Jasper Has to Send Out a Number of Communications

Jasper has to send out a number of communications. Which of the following is appropriate to send as a text?

A) a reprimand to an employee who has been late two days in a row
B) an analysis of the latest sales figures for an important product
C) a complicated conversation that will require several exchanges with a colleague
D) a quick compliment to a colleague who gave a great presentation
E) an announcement that the company is not giving holiday bonuses this year