Read the given paragraph and answer the questions that follow:

An experimenter conducted a study on a group of children in order to find out their development level. In his study he provided two clay balls and took their agreement that the two balls are of equal size. Then he changed the shape of one ball to a flat shape in front of the children and asked which out of the two shapes containd more clay. Few children responded that the flat shape contained more clay. Later he asked another question as follows:

"If an aeroplane is called an elephant, can it fly?"

Few children answered "Yes it can fly".