Ann will either take a leave of absence from Technocomp and return in a year or else she will quit her job there; but she would not do either one unless she were offered a one-year teaching fellowship at a prestigious university. Technocomp will allow her to take a leave of absence if it does not find out that she has been offered the fellowship, but not otherwise. Ttherefore, Ann will quit her job at Technocomp only if Technocomp finds out she has been offered the fellowship. Which one of the following, if assumed, allows the conclusion above to be properly drawn? ['Ann would be offered the fellowship only if she quit her job at Technocomp.', 'Technocomp will find out about Ann being offered the fellowship only if someone informs on her.', 'Ann will take a leave of absence if Technocomp allows her to take a leave of absence.', 'The reason Ann wants the fellowship is so she can quit her job at Technocomp.']