Some questions have answers in a presentation that may be contained in some range of presentations made, sometimes the audience may not want asked. Because the answer is in the presentation.
Some questions are answered in the presentation anyway. This may be in part of the presentation. Sometimes the audience probably will not be asked at all. The answer lies in the presentations.
Some questions have the answer in the presentation. Which may be located in a certain range of presentation. Sometimes cause the audience may not need to ask. Because there will be an answer in the presentation.