question: what were the walled forts of Fort William in Bengal , Fort St George in Madras and Bombay castle before they were forts ?
answer: major factories
turker_answer: The walled forts of Fort William in Bengal , Fort St. George in Madras , and Bombay Castle were major factories before they were forts .
rule-based: The walled forts of Fort William in Bengal , Fort St George in Madras and Bombay castle before they were forts were major factories .