Out of the given options, choose the sentence, which, in your view is the most grammatically and structurally correct. Please note that the meaning or context of the sentence must not change.
1
Although she failed in the competition, she did not give up on her perseverance.
2
Although she failed in the competition but she did not give up on her perseverance.
3
Although she fails in the competition, she did not give up on her perseverance.
4
Although she failed in the competition and she did not give up on her perseverance.