What is the relationship between the words mahogany and wood

Whom does macbeth have murdered to keep one if the witches prophecies from coming true a. malcolm and donalbain b. king duncan c. the thane of cawdor d. banque and his son

Which best expresses the irony present in this passage?

Why does pumblechook choke on the brandy at christmas dinner? a. he has had too much to drink. b. mrs. joe had only spoiled brandy to serve him. c. pip replaced it with tar water. d. he becomes overexcited telling his story.