Remember that just because you know that 19% of the painting have snow and 7% have a beach, you do not have a good estimate of how many paintings have both snow

Remember that just because you know that 19% of the painting have snow and 7% have a beach, you do not have a good estimate of how many paintings have both snow and a beach. (There is one which might qualify, but upon viewing, I don't think it actually has a beach in it.)