Candle<br>Taylor had just bought a new house. One day, the power went out. Taylor quickly went to get candles. She had to drive to the store. After that, she had light in her new home.
some candles were at home already
It says that Taylor *had* to drive to the store to get candles. If she had some there already she would have used them. The model probably wasn't sure if that meant she had some or not. 
( z1 candle :quant ( z2 some ) :location ( z3 home ) :time ( z4 already ) )