sentence the cat sat on the mat and you know we would say well as a human being asked this you would say well hyenas you know are wild animals they don't often sit on mats unless they're at the zoo or something so this kind of shows how to do this to compute this probability correctly you would need to start to have world knowledge what is a common operator you know what is a common environment for a hyena you know what is even sitting on a mat mean and then you can ask other questions again you could start to get two conditional