“Or—”

“Or what?”

“Or it can’t respond,” said Lydia, “because the children have thought about Africa and lions and killing so many days that the room’s in a rut.”

“Could be.”

“Or Peter’s set it to remain that way.”

“Set it?”

“He may have got into the machinery and fixed something.”

“Peter doesn’t know machinery.”

“He’s a wise one for ten. That I.Q. of his—”

“Nevertheless—”