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.
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Question: He has been on the Chrysanthemum Throne since his father Akihito abdicated in 2019 .

Answer: He acceded to the Chrysanthemum Throne upon the abdication of his father , the now-Emperor Emeritus Akihito on 1 May 2019 at 00:00 local time ( 15:00 UTC ) .


Question: 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 .

Answer: 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 .


Question: In the feudal system ( in Europe and elsewhere ) , the nobility were mostly those who got land from the monarch and had to provide services to him , mainly military service .

Answer:
In the feudal system ( in Europe and elsewhere ) , the nobility were generally those who held a fief , often land or office , under vassalage , i.e. , in exchange for allegiance and various , mainly military , services to a suzerain , who might be a higher-ranking nobleman or a monarch .