"And that?"
"An isosceles triangle."
"And what is the highest peak in Africa?"
"Kilima Ndjaro."
"Its height?"
"Twenty thousand feet."
"And what are the rivers that drain Siberia?"
"The Obi, the Yenesei, and the Lena."
Now in going to the school I had plucked a little bunch of speedwell, and I said to the inspector, "Would you mind inquiring of the children the name of this plant?"
"What is this plant?" he demanded.