We rigged it up so that it works again , but it 's no longer a textbook SPL system . We 're going to keep up the meds for another week , but reduce her Banamine from 500 # twice a day to 500 # once a day . Rosie did not act like a lady for Megan today .
What may be the reason why they needed to adjust the medicine ?
Pick the best answer from the following options:
- They could n't afford it anymore .
 - They wanted to see if she did n't need it anymore .
 - They want to try a natural approach .
 - It was no longer working .


It was no longer working .