Ok dog lovers what is your best story showing dog intelligence?

my nan and grandad used to keep two red setters, one night when we were sleeping we heard an almighty crash downstairs. we went downstairs to find the refridgerater door open and home made Jam all over the floor of the kitchen. the dogs slept in the dining room and the door was shut. perplexed we opened the door to find both dogs asleep and one of them snoring loudly. the give away was that they were both covered in jam. we fell about laughing and were astounded by thier ingenuity.