Mturk: QuestionForm data structure

The following is an example of a complete QuestionForm data structure. Remember that to pass this structure in as a parameter to an operation, XML characters must be escaped as character entities.

<QuestionForm xmlns="[the QuestionForm schema URL]">
  <Overview>
    <Title>Game 01523, "X" to play</Title>
    <Text>
      You are helping to decide the next move.
    </Text>
    <Binary>
      <MimeType>
        <Type>image</Type>
        <SubType>gif</SubType>
      </MimeType>
      <DataURL>

http://tictactoe.amazon.com/game/01523/board.gif

</DataURL>
      <AltText>The game board, with "X" to move.</AltText>
    </Binary>
    <Text>
      Player "X" has the next move.
    </Text>
  </Overview>
  <Question>
    <QuestionIdentifier>nextmove</QuestionIdentifier>
    <DisplayName>The Next Move</DisplayName>
    <IsRequired>true</IsRequired>
    <QuestionContent>
      <Text>
        What are the coordinates .....?
      </Text>
    </QuestionContent>
    <AnswerSpecification>
      <FreeTextAnswer>
        <Constraints>
          <Length minLength="2" maxLength="2" />
        </Constraints>
        <DefaultText>C1</DefaultText>
      </FreeTextAnswer>
    </AnswerSpecification>
  </Question>
  <Question>
    <QuestionIdentifier>likelytowin</QuestionIdentifier>
    <DisplayName>The Next Move</DisplayName>
    <IsRequired>true</IsRequired>
    <QuestionContent>
      <Text>
        How likely is it that player "X" will win this game?
      </Text>
    </QuestionContent>
    <AnswerSpecification>
      <SelectionAnswer>
        <StyleSuggestion>radiobutton</StyleSuggestion>
        <Selections>
          <Selection>
            <SelectionIdentifier>notlikely</SelectionIdentifier>
            <Text>Not likely</Text>
          </Selection>
          <Selection>
            <SelectionIdentifier>unsure</SelectionIdentifier>
            <Text>It could go either way</Text>
          </Selection>
          <Selection>
            <SelectionIdentifier>likely</SelectionIdentifier>
            <Text>Likely</Text>
          </Selection>
        </Selections>
      </SelectionAnswer>
    </AnswerSpecification>
  </Question>
</QuestionForm>

Reference :