Task: Wrong Candidate Generation
Input (English): Context: At least for now . I mean , I ' m trying to be realistic here ... cancer does n't always just go away when you remove the tumor . But the placement of this tumor ( under her front leg at the shoulder joint ) was such that I would never have detected it until it was large enough to impede movement ... and the vet believes they caught it before it spread . There 's still a probability that more tumors and more problems will crop up ... but we have a reprieve . 
Question: How is the narrator feeling about the diagnosis ? 
Correct Answer: They are optimistic .
Output (English): They are concerned .