In animal farm which of the following is not an example of irony
a. when the animals are starving, napoleon decides the hens must surrender their eggs for sale.
b. squealer is the go-between for napoleon and the other animals.
c. at the end of the story, the animals are not able to tell the difference between the pigs' faces and the humans' faces.
d. the expression “four legs good, two legs bad” becomes “four legs good, two legs better.”