return nil
	}
	if err := p.checkAdvance(sec); err != nil {
		return err
	}
	var err error
	p.off, err = skipResource(p.msg, p.off)
	if err != nil {
		return &nestedError{"skipping: " + sectionNames[sec], err}
	}
	p.index++
	return nil
}

// Question parses a single Question.
func (p *Parser) Question() (Question, error) {
	if err := p.checkAdvance(sectionQuestions); err != nil {