Read the information provided and answer the questions which follow.

In one of the islands of Neverland, people from two tribes exist namely A and B. On the island there is no other tribe except these two. The activities of these tribes are governed by rigid norms and are strictly obeyed for marriages. The norms are:

1.The people of one tribe cannot marry any other member of their own tribe though they can marry people from other tribe.
2.After being married, each male member ceases to be a member of that tribe in which he was born and becomes the member of the tribe to which his wife belongs.
3.The females continue to remain members of the tribe in which they were born even after marriage.
4.On birth, the child becomes the member of the mother’s tribe.
5.The males become members of the tribe in which they were born when they become divorcee or widower.
6.As per norms, nobody can have more than one spouse at a given point of time.