A team member has taken an unplanned leave during the execution phase of a project. In response, the project team rescheduled some tasks. The result is that critical activities are now occurring at the same time.

What is the first thing that the project manager should do? Select one.

	Revise the risk register and then rank the project's risks.
	Mitigate risks by reverting to the original schedule.
	Assess the newly introduced risks with the project team.
	Identify suitable responses for the newly introduced risks.