instruction:
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.
question:
The Convention also says that any toxic chemical is a chemical weapon unless it is used for legal reasons .
answer:
Under this Convention , any toxic chemical , regardless of its origin , is considered a chemical weapon unless it is used for purposes that are not prohibited ( an important legal definition known as the General Purpose Criterion ) .


question:
The kilogram is the base unit of mass in the International System of Units ( SI ) .
answer:
The kilogram ( also kilogramme ) is the base unit of mass in the metric system , formally the International System of Units ( SI ) , having the unit symbol kg .


question:
Grasshopper won the most national championship titles ( 27 ) and Swiss Cups ( 19 ) .
answer:

With 27 titles , Grasshopper holds the records for winning the most national championship titles and for the most successes in the Swiss Cup tournament , 19 victories in the competition .