You open a nested sequence in order to trim the length of a clip. You make the total duration of the clips longer. What happens to the duration of the nest in the main sequence?

1.

Nothing, the nest duration remains the same in the original sequence.

2.

The duration of the nest changes and an overwrite edit pushes the remaining clips to make room.

3.

The clips change speed to match the duration of the nest.

4.

The duration of the nest changes and a ripple edit pushes the remaining clips to make room.