A gray-haired gentleman in a suit is standing in front of a podium .
A gray-haired gentleman in a suit is standing in front of a podium waiting to give a lecture .
A gray-haired gentleman in a suit is standing in front of a podium.
A gray-haired gentleman in a suit is standing in front of a podium waiting to give a lecture.
It is not clear whether this gentleman is waiting to give a lecture or if he is in fact in the middle of giving one.
It is not clear whether this gentleman is waiting to give a lecture or if he is in fact in the middle of giving one .