Which of Banquo’s quotations from act 1, scene 3 of The Tragedy of Macbeth is an example of metonymy?

“How far is ’t call’d to Forres?”
“Speak then to me, who neither beg nor fear / Your favours nor your hate.”
“Or have we eaten on the insane root / That takes the reason prisoner?”
“That, trusted home, / Might yet enkindle you unto the crown”