Macbeth 1.3 Performance: Macbeth, Lines 70-78

The speaker acknowledges being the Thane of Gloms and questions how he could also be the Thane of Caudor, as the current Thane is alive and well. He expresses disbelief at the idea of becoming king, equating it to the improbability of becoming Caudor. The speaker demands an explanation for the prophetic greeting received on the heath.

What does the speaker ask about the strange intelligence?

What does the speaker demand from the one who greets them?