Problem: Determine the topic of the question. Question: "what school did oprah winfrey help?" Topic:

A: Oprah Winfrey Leadership Academy for Girls

Problem: Determine the topic of the question. Question: "what is vitamin b12 used for?" Topic:

A: Vitamin B12

Problem: Determine the topic of the question. Question: "what teams won super bowl?" Topic:

A: List of Super Bowl champions

Problem: Determine the topic of the question. Question: "what does fidelity do?" Topic:

A:
Fidelity Investments