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.

[EX Q]: A crystal is a solid whose molecules ( or atoms ) are arranged in a repeating pattern .
[EX A]: A crystal or crystalline solid is a solid material whose constituents ( such as atoms , molecules , or ions ) are arranged in a highly ordered microscopic structure , forming a crystal lattice that extends in all directions .

[EX Q]: Credit Suisse Group is a Swiss bank .
[EX A]: Credit Suisse Group AG is a Swiss multinational investment bank and financial services company founded and based in Switzerland .

[EX Q]: Alzheimer 's Disease ( AD ) is a brain disease that slowly destroys brain cells .
[EX A]:
Alzheimer 's disease ( AD ) , also referred to simply as Alzheimer 's , is a chronic neurodegenerative disease that usually starts slowly and gradually worsens over time .