story: Tom had been asking his parents for a cat for weeks. Finally, his parents told him they could get one kitten. Tom and his parents found a cat online and picked it up. When they brought it back, Tom took a nap with it. When Tom woke up, the cat was nowhere to be found anywhere.
 selected sentence: Finally, his parents told him they could get one kitten.
Tom's parents tell Tom they can get one kitten >Causes/Enables> Tom and his parents find a cat online and pick it up