Suppose that if a person travels to Europe for the first time, the probability that he will see London is 0.70, the probability that he will see Paris is 0.64, the probability that he will see Rome is 0.58, the probability that he will see Amsterdam is 0.58, the probability that he will see London And Paris is 0.45, the probability that he will see London And Rome is 0.42, the probability that he will see London And Amsterdam is 0.41, the probability that he will see Paris And Rome is 0.35, the probability that he will see Paris And Amsterdam is 0.39, the probability that he will see Rome And Amsterdam is 0.32, the probability that he will see London, Paris, And Rome is 0.23, the probability that he will see London, Paris, And Amsterdam is 0.26, the probability that he will see Lon-don, Rome, And Amsterdam is 0.21, the probability that he will see Paris, Rome, And Amsterdam is 0.20, And the probability that he will see all four of these cities is 0.12. What is the probability that a person traveling to Europe for the first time will see at least one of these four cities?