. A Developer created a new branch (second) directly in the Cloud Manager Git repository (origin). Which commands should be taken to synchronize the Cloud Manager Git with the local Git repository

What are the correct answer from below 

option 1 

git fetch

git checkout -b second origin /second

option 2 

git pull

git fetch second

option 3 

git checkout -b second origin/second 

git push -u origin master

option 4 

git commit -am second 

git push -u origin master

Thanks !