code: private boolean isValidSentiment(final String type, final Double score, final Integer mixed) {
      return !StringUtils.isBlank(type)
             || score != null
             || mixed != null;
    }
docs: Return true if at least one of the values is not null/empty.
  
  @param type the sentiment type
  @param score the sentiment score
  @param mixed whether the sentiment is mixed
  
  @return true if at least one of the values is not null/empty