instruction:
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.
question:
Sentence: This technology is implemented in the lens itself , or by moving the sensor as the final element in the optical path . 
 Question: when is something moved?
answer:
as the final element in the optical path


question:
Sentence: This study also reveals that young children can be equipped with certain qualities for cognitive operations , depending on how logical the structure of the task is . 
 Question: what   depends  on something?
answer:
young children can be equipped with certain qualities for cognitive operations


question:
Sentence: Having finished his apprenticeship with Hammond , Keats registered as a medical student at Guy 's Hospital and began studying there in October 1815 . 
 Question: who   began  to do something?
answer:

Keats