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.

Sentence: Instead , much of numerical analysis is concerned with obtaining approximate solutions while maintaining reasonable bounds on errors .
Question: what might something obtain?
approximate solutions

Sentence: In the context of a Stryker Brigade Combat Team 's Infantry Rifle Companies , one man from each fireteam in a rifle squad is either the Squad Anti-armor Specialist , armed with the FGM-148 Javelin , or the Squad Designated Marksman , who carries the M4 carbine and M14 rifle .
Question: who carries something?
the Squad Designated Marksman ### one man from each fireteam in a rifle squad ### one man from each fireteam ### one man

Sentence: The psychological impact of this first transformation caused Beast to experience short-term amnesia and also made it difficult for him to control his animalistic instincts , which would cause him to slip into an uncontrollable berserker rage during combat .
Question: what caused something to do something?
The psychological impact of this first transformation