#set($identifier = $r.toString($interaction.identifier)) #set($responseIdentifier = $r.toString($interaction.responseIdentifier)) #set($responseValue = $r.getResponseValue($interaction.responseIdentifier)) #set($responseInput = $r.getResponseInput($interaction.responseIdentifier)) #set($asciiMathInput = $r.extractSingleCardinalityResponseInput($responseInput)) #set($orientation = "horizontal")