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.

Plessy argued that the state law which required East Louisiana Railroad to segregate trains had denied him his rights under the Thirteenth and Fourteenth Amendments to the United States Constitution .
The State of Louisiana " , Plessy 's lawyers argued that the state law which required East Louisiana Railroad to segregate trains had denied him his rights under the Thirteenth and Fourteenth amendments of the United States Constitution , which provided for equal treatment under the law .

The subsolar point on a planet is when its sun looks like it is directly overhead ( in zenith ) .
The subsolar point on a planet is the point at which its sun is perceived to be directly overhead ( at the zenith ) ; that is , where the sun 's rays strike the planet exactly perpendicular to its surface .

The word republic comes from the Latin language words " res publica " , which means a " public thing " .
The word " republic " comes from the Latin term " res publica " , which literally means " public thing , " " public matter , " or " public affair " and was used to refer to the state as a whole .