In fiscal year 1998, the federal government began to contribute to the pool of saving by running its first surplus since 1969.
 In fiscal year 1998 the price of kittens rose more than expected.
mnli hypothesis:  In fiscal year 1998 the price of kittens rose more than expected. premise: In fiscal year 1998, the federal government began to contribute to the pool of saving by running its first surplus since 1969.