$  vim POLL
$  git add .
$  git commit -m "question 1"
[add-poll dc940b9] question 1
 1 file changed, 1 insertion(+)
 create mode 100644 POLL

$  vim POLL
$  git add .
$  git commit -m "question 2"
[add-poll 869018d] question 2
 1 file changed, 1 insertion(+)

$  vim POLL
$  git add .
$  git commit -m "question 3"
[add-poll e0dbe09] question 3
 1 file changed, 1 insertion(+)