f]&#34;,
    LOGREG: &#34;logistic regression using a trainable Embedding layer&#34;,
    NBSVM: &#34;NBSVM model [http://www.aclweb.org/anthology/P12-2018]&#34;,
    BIGRU: &#34;Bidirectional GRU with pretrained fasttext word vectors [https://fasttext.cc/docs/en/crawl-vectors.html]&#34;,
    STANDARD_GRU: &#34;simple 2-layer GRU with randomly initialized embeddings&#34;,
    BERT: &#34;Bidirectional Encoder Representations from Transformers (BERT) from keras_bert [https://arxiv.org/abs/1810.04805]&#34;,
  