nerve agent – n. a poison that is used as a weapon in war
entity – n. an organization; something that exists by itself; something that is separate from other things
alternative – n. something that can be chosen instead of something else; a choice or option
handy – adj. near or close
install – v. to put (someone) in an official or important job
speculate – v. to think about something and make guesses about it; to form ideas or theories about something usually when there are many things not known about it
sponsor – n. supporter