In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.

In April 2018 , Jong-un and Moon Jae-in formally attended the inter-Korean summit of 2018 and agreed to formally end the Korean War before 2019 .
At the April 2018 inter-Korean summit , Kim and South Korean President Moon Jae-in signed the Panmunjom Declaration , pledging to convert the Korean Armistice Agreement into a full peace treaty , formally ending the Korean War , by the end of the year .

The iPhone 6S and iPhone 6S Plus are two smartphones designed by Apple Inc .
The iPhone 6S and iPhone 6S Plus ( stylized and marketed as iPhone 6s and iPhone 6s Plus ) are smartphones that were designed , developed , and marketed by Apple Inc .

The song was Jackson 's fifth # 1 single on the " Billboard " Hot 100 .
The song became Jackson 's fifth number-one single on the " Billboard " Hot 100 , and the final of seven top five singles from the album , making her the only artist to achieve seven top five singles from one album .