'Mt ', '.', 'San', '##itas', 'is', 'in', 'Sunshine', 'Canyon' '.' To deal with this misalignment, we need a way to assign BIO tags to subword tokens during training and a corresponding way to recover word-level tags from subwords during decoding. For training, we can just assign the gold-standard tag associated with each word to all of the subword tokens derived from it.