Given the task definition and input, reply with output. In this task, you will be shown an extract from a movie plot and a question. You need to provide the correct answer for it. Short answers containing words that are present in the passage are preferred.

Don Almeda promises his daughter Maria to Don Alvarez because of his financial trouble. Maria does not love Don Alvarez and falls in love with Terry O'Neal. He is a stranger who has been wounded by robbers associated with Alvarez and later he takes Alvarez's place at a masquerade ball. Alvarez robs an old padre of some pearls and stabs him with O'Neal's knife and accuses O'Neal of the murder. Alvarez tries to shoot him, but wounds Maria instead, because she has thrown herself in front of him. Maria recovers and after proving that Alvarez is a thief and a killer, marries O'Neal.[4], Question: Who wounded Terry O'Neal?
Answer: Robbers associated with Don Alvarez