Task: Question Answering
Input (English): Hookworms live inside the intestines of dogs. As the dog eats, the hookworms consume partially digested food. As a result of this nutrient diversion, the dog can become malnourished and weakened. Which best describes the relationship between the hookworms and the dog?  
 (A) a parasitic relationship (B) a mutualistic relationship (C) a predator-prey relationship (D) a producer-consumer relationship
Output (English): A