Definition: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Input: It was only three months ago that they realised their dream of having their first child. Now Luke Harris and Daryl Lee are celebrating the birth of their second baby. And the gay couple are due to become fathers for the third time in just a few weeks after controversially enlisting the help of three surrogate mothers. Scroll down for video Luke Harris and Daryl Lee, from Surrey, had their first child three months ago and are now preparing to welcome their third baby into the world after enlisting the help of three surrogate mothers. Pictured (from left): Pregnant surrogate Becky Harris, Mr Lee with son Phoenix Harris and his surrogate mother Bex Harris (behind), Mr Harris holding daughter Willow-Star and her surrogate mother Viktoria Ellis (right)Luke Harris and Daryl Lee had their first child three months ago and are now preparing to welcome their third babyGay couple will become fathers for a third time in a few weeks after enlisting the help of three surrogate mothersFirst child Phoenix Blue born on January 14 while daughter Willow-Star arrived in 25-minute labour on February 25Upcoming birth means the parents, from Surrey, will have completed their family of three within just seven months 
 Question:But Mr Harris said: ‘As far as we’re concerned Phoenix and _ are brother and sister and that’s how they’ll be brought up.

Willow-Star