Three boys {b1, b2, b3} and three girls {g1, g2, g3} are registered in a marriage bureau. Suppose each boy wishes to marry a girl of his choice. In which of the following situations will each boy get married to a girl of his choice.

• A. b1 likes g1, b2 likes {g1, g2} and b3 likes g2
• B. b1 likes {g1, g3}, b2 likes g3 and b3 likes g1
• C. b1 likes g2, b2 likes {g1, g2} and b3 likes g3
• D. b1 likes g1, b2 likes {g2, g3} and b3 likes g1