Make this sentence possessive: "The girl's bike".
The sentence "The girl's bike" is already in its possessive form, indicating that the bike belongs to the girl. No further modification is necessary.
Complete the following task based on the instruction and optional input provided.### Instruction:
Make this sentence possessive: "The girl's bike".

### Output:
The sentence "The girl's bike" is already in its possessive form, indicating that the bike belongs to the girl. No further modification is necessary.