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.

[Q]: To capture " en passant " can only be done on the move right after the double-square pawn advance .
[A]: The option to capture the moved pawn " en passant " must be exercised on the move immediately following the double-step pawn advance , or it is lost for the remainder of the game .


[Q]: In marine sediments methane is produced when sulfates are low .
[A]: In marine sediments the biological production of methane , also termed methanogenesis , is generally confined to where sulfates are depleted , below the top layers .


[Q]: The title was introduced by special guest Shawn Michaels on the January 23 , 2013 edition of NXT .
[A]:
The championship was introduced on the January 23 , 2013 , episode of " NXT " where it was announced by special guest Shawn Michaels that there would be a tournament to crown the inaugural champions .


