David's comment is the type of contribution that is known as a task.
It should be noted that a research is a form of inquiry that's done in order to get more information about a particular topic.
In this case, David is leading his workgroup and he reports on the research he has been doing on his part of the project. This is a task.
Learn more about research on:
brainly.com/question/25257437
#SPJ12