Which sentence shows the apostrophe (') used correctly?

Question

Answer options with 4 options
1.
The sweater was Eli's, not Rosalies.

2.
The sweater was Elis, not Rosalie's.

3.
The sweater was Eli's, not Rosalie's.

4.
The sweater was Elis', not Rosalies'.

Answer 1

The correct sentence that shows the apostrophe used correctly is:

3. The sweater was Eli's, not Rosalie's.