The support member converts from the undeployed mode into the deployed mode when {HEAD ~ a signal} is received from the sensor indicating {TAIL ~ a rollover} 
The support member converts from the undeployed mode into the deployed mode when { HEAD ~ a signal } is received from the sensor indicating { TAIL ~ a rollover }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL