story: Elena wanted a new doll she saw on a TV commercial. The doll was a special type of toy that only a thousand were made. Her parents waited six hours in a long line outside of a toy store. They were able to get one of the dolls. Elena was presented her new doll on her birthday.
 selected sentence: Her parents waited six hours in a long line outside of a toy store.
Her parents wait in  a long line >Causes> Her parents feel(s) impatient