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: St John appears to have got into trouble with the court in connection with a seditious publication , and to have associated himself with the future popular leaders John Pym and Lord Saye .
Question: who have associated with someone?
answer:
St John ### himself

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: where did someone register as something?
answer:
at Guy 's Hospital

question:
Sentence: The spare apparatus fleet comprises six spare engines , three spare ladders , one spare tac , and three spare district chief 's units .
Question: what comprises something?
answer:
The spare apparatus fleet