The Teacher was telling the children about "the Birds'n'Bees", and she explained that when a man and a woman meet and fall in love, .....Nine months later, the STORK usually brings them a little baby from it's nest.
(yeah, we've all heard that one!)
At the back of the class, little Gemma put her hand up, and asked the Teacher, "Are you sure about the STORK, miss? I think you're getting your BIRDS mixed up, 'cos my big sister just got a little baby, and she said it was from a 'SHAG at the beach'!!!"