story: The old farmer had two mules and one plow. Both mules like pulling the plow for the farmer. Each day the farmer worried about which mule to used. One morning he saw both mules standing together. He got the idea to hooked both mules to the plow.
 selected sentence: Both mules like pulling the plow for the farmer.
Both mules like pulling the plow >Causes/Enables> Both mules pull the plow