Task: Question Answering
Input (English): Passage: I need to send a paper to my friend right away . The mail takes days . I ca n't send an email because I do not have a scanner . So I need to send a fax . I bring the paper I want to send and give it to the librarian . She takes the paper and gives me one to fill out so she knows where to send my paper . A fax is sent over the phone lines but needs a machine on both ends that can receive it , so I have to use a certain phone number . The fax has been sent . I call my friend to make sure that he received the paper . I pay the librarian for sending my fax . Question: When did they go to the library? Option1: when a fax needed to be sent Option2: after sending the fax
Output (English): when a fax needed to be sent