story: Dan was digging in his yard to put in an extension to his home. He wasn't very deep when his shovel thudded against Something hard. Suddenly a black stream spewed up into the air! Dan thought he'd struck oil! When he sniffed the air he realized he'd struck a sewage pipe.
 selected sentence: Suddenly a black stream spewed up into the air!
A black stream spewed into the air >Causes/Enables> Dan thought he struck oil