Renamed multiple `verse` method to `verses`

exercises/food-chain/src/example/java/FoodChain.java

         return verseBeginning(verse) + verseMiddle(verse) + verseEnding(verse);
     }
 
-    public String verse(int startVerse, int endVerse) {
+    public String verses(int startVerse, int endVerse) {
 
         String[] verses = new String[endVerse - startVerse + 1];
 
 
         return "I don't know why she swallowed the fly. Perhaps she'll die.";
     }
-}
+}

exercises/food-chain/src/test/java/FoodChainTest.java

                           "She swallowed the spider to catch the fly.\n" +
                           "I don't know why she swallowed the fly. Perhaps she'll die.";
 
-        assertEquals(expected, foodChain.verse(startVerse, endVerse));
+        assertEquals(expected, foodChain.verses(startVerse, endVerse));
     }
 
 
                           "I know an old lady who swallowed a horse.\n" +
                           "She's dead, of course!";
 
-        assertEquals(expected, foodChain.verse(startVerse, endVerse));
+        assertEquals(expected, foodChain.verses(startVerse, endVerse));
     }
-}
+}