For each of these sentences, determine whether an inclusive or, or an exclusive or, is intended. Explain

Question:

For each of these sentences, determine whether an inclusive or, or an exclusive or, is intended. Explain your answer.
a) Coffee or tea comes with dinner.
b) A password must have at least three digits or be at least eight characters long.
c) The prerequisite for the course is a course in number theory or a course in cryptography.
d) You can pay using U.S. dollars or euros.