Today is my 24th birthday , and it is also my first birthday without my father . I did n't really want to celebrate it at all , but my sisters and my mother convinced me that I should . It is also my brother in laws birthday as well .
According to the above context, choose the best option to answer the following question.
Question: Why would my mother and sisters convince me that I should still celebrate my birthday even though I did not want to ?
Options:
- They still wanted to party with or without my father
 - None of the above choices .
 - They knew my father would want me to still celebrate
 - They did n't care if it made me sad or not


They knew my father would want me to still celebrate