story: Amy and her dad were driving out of state. Amy kept sleeping when her dad awoke her at a gas station Later she awoke and needed to use the restroom. Her dad was upset because she didn't go when the stopped for gas. They sat in angry silence for an hour after the second stop.
 selected sentence: Her dad was upset because she didn't go when the stopped for gas.
Her dad is upset >Causes/Enables> They don't speak to wach other