TASK DEFINITION: In this task, you are given a sentence and question which can be answered using the sentence. Your task is to answer the question using the information from the sentence. The answer to the question is unique and it is a continuous text span from the sentence.
PROBLEM: Sentence: On the run , she develops a revolutionary new theory of quantum cognition , which she writes down in a little black book . 
 Question: who   writes  down something?

SOLUTION: she

PROBLEM: Sentence: The `` power cepstrum '' was defined in a 1963 paper by Bogert et al. . 
 Question: when was something defined?

SOLUTION: 1963

PROBLEM: Sentence: Millais , absorbed by his painting and did not notice and Siddal did not complain . 
 Question: who did n't  notice something?

SOLUTION:
Millais