anchor.diff:  
     <ul>
       <li><a href="http://www.dogfencediy.com/rescue-dog/">Adopting a Rescue Dog: The First Seven Days</a></li>
  -    <li><a href="http://www.blackdogrescueproject.com/basic-dog-obedience-training.html">General Training Tips</a></li>
       <li><a href="http://dogtrainer.quickanddirtytips.com/dog-growls-snaps.aspx">What to Do If Your Dog Growls or Snaps</a></li>
       <li><a href="http://www.americanhumane.org/animals/adoption-pet-care/dog-behavior/introducing-dogs-to-cats.html">Introducing Dogs to Cats</a></li>
       <li><a href="http://www.aspca.org/pet-care/virtual-pet-behaviorist/cat-behavior/introducing-your-cat-new-dog">Introducing Your Cat to a New Dog</a></li>
  
positive.code:   <ul>
      <li><a href="http://www.adoptapet.com/public/spay_and_neuter/index.html">Why to Spay/Neuter Your Pets</a></li>
      <li><a href="http://www.entirelypets.com/toxicplants.html">Toxic Plants that are Poisonous to Dogs</a></li>
      <li><a href="http://www.aspca.org/pet-care/poison-control/people-foods.aspx">Foods that are Poisonous to Pets</a></li>
      <li><a href="http://www.fda.gov/AnimalVeterinary/SafetyHealth/RecallsWithdrawals/default.htm">Updated Pet Food Recall List</a></li>
      <li><a href="http://www.organic-pet-digest.com/common-dog-health-problems.html">Holistic alternatives for common dog health problems</a></li>
    </ul>
  
negative.code:     <li><a href="http://www.petfinder.com/before-pet-adoption/dog-adoption-checklist.html">Adoption Checklist</a></li>
      <li><a href="http://www.americanhumane.org/animals/adoption-pet-care/are-you-ready.html">Am I Ready to Adopt?</a></li>
      <li><a href="http://www.aspca.org/adopt/pet-care-costs">What are the costs of caring for a pet?</a></li>
      <li><a href="http://www.americanhumane.org/animals/adoption-pet-care/is-a-dog-right-for-you.html">Is a Dog Right for Me?</a></li>
      <li><a href="http://www.rent.com/pet-friendly-apartments">Pet-Friendly Apartment Finder</a></li>
    </ul>
  