From [1] the players must be relatively positioned in one of the following ways
Daughter |
Son |
Brother |
Zita |
Daughter |
Zita |
Brother |
Son |
Son |
Daughter |
Zita |
Brother |
Zita |
Daughter |
Son |
Brother |
Then, from [2]: for ways Ia and Iia |
For ways Ib and IIb |
Brother is the worst player’s sibling |
Daughter is the worst player’s sibling |
Zita is the worst player |
Son is the worst player. |
Then, from [3]:
For ways Ia and Iia |
for ways Ib and IIb |
Brother is the best player |
brother is the best player |
So , in any case, Zita’s brother is the best player. |
