Get the pricing right; increase revenues by selling other products to readers; in future, perhaps, bundle newspapers like pay-TV channels. Their reach and their influence are less important.

Decision trees are used to solve this problem, and at the same time, a method to create visual question set is introduced based on the similarity of mouth shapes.

Decision trees are used to solve this problem, and at the same time, a method to create visual question set is introduced based on the similarities of mouth shapes.