The city, which has no immunity to suit, has since refused to pay Gimlet anything, although he swears that he never heard of the city's repealer before claiming its reward"In which of the following ways could the city reward offer be effectively accepted?
By an offeree's supplying information leading to arrest and conviction of an arsonist within the scope of the offer.
By an offeree's communication of assent through the same medium (television) used by the city in making its offer.
Only by an offeree's return promise to make a reasonable effort to bring about the arrest and conviction of an arsonist within the scope of the offer.
Only by an offeree's making the arrest and assisting in the successful conviction of an arsonist within the scope of the offer.