Given the following method; public static void mystery (Map mapl, Map map2) { Map result = new TreeMap(); for (String sl : mapl.keySet ()) { if (map2.containsKey (mapl.get (sl))) { result.put (s1, map2.get (mapl.get (sl))); } System.out.println (result); } What is the result for the following input map1: {bar=1, baz=2, foo=3, mumble=4}, map2: {1=earth, 2=wind, 3=air, 4=fire} a. {earth=bar, wind=baz, air=foo, fire=mumble} b. {bar=earth, baz=wind, foo=air, mumble=fire} c. {1=1, 2=2, 3=3, 4=4} d. {bar=1, baz=2, foo=3, mumble=4}

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