story: Greg loved to ride his skateboard at the skateboard park. He decided to build his own skateboard ramp to use at home. After he finished the ramp, he stood at the top on his skateboard. The ramp was so high that Greg got scared. He was embarrassed that he couldn't skate down his ramp.
 selected sentence: He decided to build his own skateboard ramp to use at home.
Greg decides to build a skateboard ramp >Causes/Enables> Greg builds the skateboard ramp