Who carries his house on himself. Living nature

Not a result, but reasoning.
This book for parents who want to see how their child argues and is looking for the right answer, rejecting the wrong.
Initially, children do not always understand that the mystery is a question, and remember the answer suggested by adults. And then from time to translating this answer mechanically. Therefore, we recommend not folk riddles (often quite complicated), and simple modern, with a rhymed answer at the end. This book for the children who have passed the first stage and are ready to reflections.
At this stage, perhaps the most common mistake is the inability to take into account all the parameters of the riddle, they miss something, granting for individual definitions. For example: "Summer gray, and in winter white". Can remember a white bear without considering that he is white and winter, and in summer.
In this book - a choice of 4 answers. One is the traditional correct, the second (and happens, and the third) is the correct, suitable in all respects. Fourth -