tokens: If you do n't care about the history of the branch and the commits ; you can start a branch from commit-4 ; cherry pick 1 and 3 , squash them and then cherry pick commit-2 .
ner_tags: O O O O O O O O O O O O O O O O O O O O O B-Code_Block I-Code_Block O O B-Value O B-Value O O O O O O O B-Code_Block O