Describe what you see when you walk over items

Every step the character takes, describe the entities at that position
excluding the character.

src/Xanthous/Util/Inflection.hs

@@ -0,0 +1,15 @@
+{-# LANGUAGE ViewPatterns #-}
+
+module Xanthous.Util.Inflection
+  ( toSentence
+  ) where
+
+import Xanthous.Prelude
+
+toSentence :: (MonoFoldable mono, Element mono ~ Text) => mono -> Text
+toSentence xs = case reverse . toList $ xs of
+  [] -> ""
+  [x] -> x
+  [b, a] -> a <> " and " <> b
+  (final : butlast) ->
+    intercalate ", " (reverse butlast) <> ", and " <> final