func calculateEmbedding(word: String) {
   if let embeddings = NLEmbedding.wordEmbedding(for: .english) {
      if embeddings.contains(word) {
         let distance = embeddings.distance(between: "king", and: word)
         message = "Distance between King and \(word.capitalized)\n\n"
         message += String(distance)
      }
   }
}