Definition: In this task, you will use your knowledge about language (and common sense) to determine what element the marked number refers to. The numbers are marked with two underlines around them, like: _ number _. Your answer should be chosen from the given text, and should not contain other words.
Input: Alicia Lawson:  Olivia !
Caitlin Dowd: Olivia ?
Alicia Lawson: My ex , the _ one _ I was trying to get pregnant with .
Olivia Case: You must be Caitlin . I did n't mean for this to be so awkward .
Caitlin Dowd: It would n't have been , if we 'd known you were coming .
Olivia Case: Alicia told me about the appointment .
Alicia Lawson: I did n't think you wanted to be here .
Olivia Case: Why would n't I ? It 's my baby , too .
Dr. Jane: The baby looks healthy , in case anyone 's wondering .

ex