1st QUESTION: What is the interviewer's task, according to the text?

2nd QUESTION: Why is the "Task (T) probing" phase considered "critical"?

Because it measures the candidate's impact and learning
Because it is necessary to separate the individual contribution from the team effort
Because it anchors the story in a clear and specific context
Because it is used to encourage more detail with questions such as "What happened next?"

To encourage more detail and push the candidate beyond his or her prepared response
To clarify the Task (T) and individual responsibility
To measure the Result (R) and the final impact
To anchor the Situation (S) in a clear context