Problem: Determine the topic of the passage. "Vitamin A has multiple functions, it is important for growth and development, for the maintenance of the immune system and good vision." Topic:

A: Vitamin A
Problem: Given the question: Determine the topic of the passage. "Mariel Margaret "Mia" Hamm (born March 17, 1972) is a retired American professional soccer player." Topic:
++++++++++++++++++++++++++++++++
The answer is:
Mia Hamm
input question: Determine the topic of the passage. "GSM (Global System for Mobile Communications, originally '), is a standard set developed by the European Telecommunications Standards Institute (ETSI) to describe protocols for second generation ( 2G ) digital cellular networks used by mobile phones ." Topic:???
output answer: GSM
Determine the topic of the passage. "Tilapia ( ) is the common name for nearly a hundred species of cichlid fish from the tilapiine cichlid tribe ." Topic:
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Answer: Tilapia
Q: Determine the topic of the passage. ""Sun City" is a 1985 protest song written by Steven Van Zandt , produced by Van Zandt and Arthur Baker and recorded by Artists United Against Apartheid to convey opposition to the South African policy of apartheid ." Topic:
A: Sun City (song)
[Q]: Determine the topic of the passage. "Christian Bale reprises the lead role of Bruce Wayne/Batman, with a returning cast of Michael Caine as Alfred Pennyworth , Gary Oldman as James Gordon and Morgan Freeman as Lucius Fox ." Topic:
****
[A]:
The Dark Knight (film)