questionnaire "Library registration" [
	group "Personal data" [
		open question "First name:",
		open question "Last name:",
		mandatory open question "E-mail:",
		multiline open question "Address:",
		mandatory open question "Username:",
		mandatory open question "Password:",
		closed question allowing single answer "Are you student at a Viennese university?" 
			answers [
				"Yes" enables question ["At which university are you studying?"], 
				"No"
			] 
	],
	group "University information" [
		closed question allowing multiple answers "At which university are you studying?" 
			answers [
				"University of Vienna", 
				"Vienna University of Technology", 
				"Vienna University of Economics and Business", 
				"University of Natural Resources and Life Science", 
				"Other:"...
			] 
			default answer is "University of Vienna",
		likert question "Do you regard the library as important resource for your study?" (-2..2)		
	]
]