69 and 70

In Exercises 67-73, state the meaning of each sentence if "or" is interpreted as the inclusive-or; then, state the meaning of each sen- tence if "or is interpreted as the exclusive-or (see Exercise 66). In each case, which meaning do you think is intended? 67. To enter Utopia, you must show a driver's license or a passport. 68. To enter Utopia, you must possess a driver's license or a passport. 69. The prerequisite to data structures is a course in Java or C++. 70. The car comes with a cupholder that heats or cools your drink