2 variants

Question: How can a dog reach a bone on the other shore?
Answer: It swims and fetches it because the dog can’t read.
Archive reference: RKM, KP 11, 116 (1)
Location: Tln Tallinna 7. Kk, 9. kl
Date: 1992
Subject: dog
Question: On one shore there is a man, on the other a dog. And on both shores there is a sign “Swimming forbidden!” How can the dog and the master get together?
Answer: The dog swims, it can’t read obviously.
Archive reference: RKM, KP 22, 448 (2)
Location: Prn Pärnu 2. Kk, 10. kl
Date: 1992
Subject: dog