Introduction Signs

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Across
  1. 2. someone may respond to this question with, "the sky"
  2. 3. passing your knowledge to someone else
  3. 5. a building you learn in
Down
  1. 1. the opposite of hearing
  2. 2. a common gesture to greet someone, even in hearing culture
  3. 4. typically signed to begin a conversation
  4. 5. it could be a hand movement, an object that labels a location, or a hint from the universe