Context: Middle Welsh is also proving to be pretty interesting , and Old Irish 3 needs a little more time before I can say yea or nee . Though , I mean , I think I ' m going to enjoy it . Otherwise , we finally had our hot water heater replaced . I ' m so incredibly glad about that .

Question: Why might have we replaced our water heater ?
Options:
0. Because the water heater might have been working good enough .
1. None of the above choices .
2. Because the water heater might have been broken though good enough .
3. Because the water heater might have been good enough .
Answer: 1