Help English translation, little joke

Teacher: Here are two birds, one is a swallow, and the other is a sparrow. Now who can tell us which is which? Student: I can't point it out, but I know the answer. Teacher: Please tell us. Student: Sparrows are the best sparrows, sparrows are the best sparrows. Two Birds Teacher: Here are two birds, one is a sparrow. Who can point out which is the swallow and which is the sparrow? Student: I can't point it out, but I know the answer Teacher: Please talk about it. Student: The sparrow is next to the swallow, and the swallow is next to the sparrow.