{
    "dog1": "NOT_HAVING_METHOD [bark]",
    "dog2": "NOT_HAVING_METHOD [bark]",
    "dog3": "NOT_HAVING_METHOD [jump]",

    "value_is_string":      "FORMAT_ERROR",
    "value_is_hash":        "NOT_HAVING_METHOD [bark]",
    "value_is_empty_hash":  "NOT_HAVING_METHOD [bark]",
    "value_is_array":       "NOT_HAVING_METHOD [bark]",
    "value_is_empty_array": "NOT_HAVING_METHOD [bark]"
}