context: In 1873, Tesla returned to his birthtown, Smiljan. Shortly after he arrived, Tesla contracted cholera; he was bedridden for nine months and was near death multiple times. Tesla's father, in a moment of despair, promised to send him to the best engineering school if he recovered from the illness (his father had originally wanted him to enter the priesthood).
question: What bargain did his father make with him if Tesla recovered?
answers: to send him to the best engineering school to send him to the best engineering school promised to send him to the best engineering school