The correct answer among the choices provided is the third option. Two independent clauses incorrectly joined are referred to as a fused sentence. A fused sentence is also called a run-on sentence. To correct this, an appropriate conjunction or punctuation mark must be put in between the clauses.
Answer:
If the weather gets better, I will go to the park.
First Conditional
If I found a wallet in the street, I would try to find the owner.
Second Conditional
If I had won the competition, I would have been posting my victory on social media.
Third conditional
If I have enough time, I will go to the cinema.
First Conditional