@spec extract(
  Nasty.AST.Document.t(),
  Nasty.Language.English.QuestionAnalyzer.t(),
  keyword()
) :: [
  Nasty.AST.Answer.t()
]

Extracts answers from a document based on question analysis.

Delegates to generic QA engine with English configuration.

Options

• :max_answers - Maximum number of answers to return (default: 3)
• :min_confidence - Minimum confidence threshold (default: 0.1)
• :max_sentences - Maximum sentences to extract from (default: 10)

Examples

iex> document = parse_document("John Smith founded Google in 1998.")
iex> question_analysis = %QuestionAnalyzer{type: :who, answer_type: :person, keywords: [...]}
iex> answers = AnswerExtractor.extract(document, question_analysis)
[%Answer{text: "John Smith", confidence: 0.85, ...}]