Question: Well, good-bye, and good luck to you both." He shook hands with them, and in another minute they were descending the steps of 27 Carshalton Terrace with their heads in a whirl.
He wished them good luck, but he didn't mean it.

Answer: it is not possible to tell

Question: Now then, march, went on Mrs. Vandemeyer.
Mrs. Vandemeyer instructed them to march.

Answer: yes

Question: So far, adventure has succeeded adventure, but this morning has been dull as dull."
Adventure has been good but I must do other things today.

Answer:
it is not possible to tell