Children are honest and innocent. They don’t have the crooked and ambiguous minds like we adults do. We teach them that when they get older, but while they are young we protect them from that, so they remain clueless for a while.
So, when they say or write something we perceive as inappropriate but they see it as normal, it tends to be quite funny. Some of these situations have been documented, here are 25 photos of examples of that.