text format. Our systematic study compares &quot; +</span>
<span class="sd">    ...     &quot;pre-training objectives, architectures, unlabeled data sets, transfer approaches, and other factors on dozens &quot; +</span>
<span class="sd">    ...     &quot;of language understanding tasks. By combining the insights from our exploration with scale and our new &quot; +</span>
<span class="sd">    ...     &quot;Colossal Clean Crawled Corpus, we achieve state-of-the-art results on many benchmarks covering &quot; +