def METHOD_NAME(question):
	possible_answers_fields = [
		"possibility_1",
		"possibility_2",
		"possibility_3",
		"possibility_4",
	]
	possible_answers = list(filter(lambda x: question.get(x), possible_answers_fields))
	if not len(possible_answers):
		frappe.throw(
			_("Add at least one possible answer for this question: {0}").format(
				frappe.bold(question.question)
			)
		)