Решение:
- 'Sarah is my wife.' — Mike
- 'Mike is my husband.' — Christine
- 'Daniel and Andrea are my parents.' — Katy / Alice
- 'Katy is my cousin.' — Craig / Jack
- and 'Katy is our niece.' — Daniel / Andrea
- and 'Craig is our nephew.' — Phil / Sarah
Ответ: 1-Mike, 2-Christine, 3-Katy/Alice, 4-Craig/Jack, 5-Daniel/Andrea, 6-Phil/Sarah.