But a North Korean official , quoted by South Korean news agency Yonhap , calls the package of incentives `` nonsense . '' ` ` Sometimes she looks like a primary schoolgirl , '' he reportedly says of her . U.S. officials have likened North Korea 's provocative actions to children acting out . North Korea 's nuclear test in 2015 strengthened U.S. support for sanctions . North Korea remains defiant , showing no signs of abandoning nuclear program .
` ` Sometimes she looks like a primary schoolgirl , '' he reportedly says of her . U.S. officials have likened North Korea 's provocative actions to children acting out . North Korea 's nuclear test in 2015 strengthened U.S. support for sanctions . North Korea remains defiant , showing no signs of abandoning nuclear program .