story: Matt had three turtles that he took care of every day. He once decided to try and race the turtles, to see which was fastest. He blocked off the kitchen floor, and set them all out onto the tile. He pushed and poked, but none of the turtles moved much at all. Matt figured turtles may not be the best pet to try to get and race.
 selected sentence: He once decided to try and race the turtles, to see which was fastest.
Matt had a race with his turtles >Causes/Enables> The turtles barely moved