Which of the Following Explanations Is the Most Informative

Which of the following explanations is the most informative?

A) Dogs are easier to train than cats because dogs are canines.
B) Children enjoy candy because it is sweet.
C) Salamander grocery stores are the most successful in our town, because they are the best.
D) The Washington Monument is quite tall, since the designers wanted to build it very high.
E) Soup is not a good supper food, since it is inappropriate for an evening meal.