anchor.diff:  California Pizza Kitchen,"1493 Saint Louis Galleria, St Louis, MO",38.633613,-90.345949
   D'Bronx,"2450 Grand Blvd # 124, Kansas City, MO",39.082723,-94.58178
   Giuseppe's Depot Restaurant,"10 S Sierra Madre St, Colorado Springs, CO",38.834548,-104.828297
  -Beau Jo's Pizza,"2710 S Colorado Blvd, Denver, CO",39.667342,-104.940708
  -Pasquini's Pizzeria,"1310 S Broadway, Denver, CO",39.692824,-104.987463
  -Fargos Pizza Co,"2910 E Platte Ave, Colorado Springs, CO",38.839847,-104.774423
   Old Chicago,"1415 Market St, Denver, CO",39.748177,-105.000501
  -Sink,"1165 13th St, Boulder, CO",40.00821,-105.276236
  -Old Chicago,"1102 Pearl St, Boulder, CO",40.017591,-105.28099
  -Gondolier,"1738 Pearl St, Boulder, CO",40.019345,-105.272946
  -Ligori's Pizza & Pasta,"4421 Harrison Blvd, Ogden, UT",41.182732,-111.949199
   Brick Oven Restaurant,"111 E 800 N, Provo, UT",40.244493,-111.656322
   Zachary's Chicago Pizza,"5801 College Ave, Oakland, CA",37.846179,-122.251951
   Zachary's Chicago Pizza,"1853 Solano Ave, Berkeley, CA",37.891407,-122.27843
  
positive.code: Round Table Pizza: Sunnyvale-Mary-Central Expy,"415 N Mary Ave, Sunnyvale, CA",37.390038,-122.042034
  Giordano's,"730 N Rush St, Chicago, IL",41.895729,-87.625411
  Filippi's Pizza Grotto,"1747 India St, San Diego, CA",32.723831,-117.168326
  Lou Malnati's Pizzeria,"439 N Wells St, Chicago, IL",41.890346,-87.633927
  Sammy's Woodfired Pizza,"770 4th Ave, San Diego, CA",32.713382,-117.16118
  Casa Bianca Pizza Pie,"1650 Colorado Blvd, Los Angeles, CA",34.139159,-118.204608
  Parkway Grill,"510 S Arroyo Pkwy, Pasadena, CA",34.137003,-118.147303
  Pizzeria Paradiso,"2029 P St NW, Washington, DC",38.90965,-77.0459
  Star Pizza,"2111 Norfolk St, Houston, TX",29.732452,-95.411058
  Tutta Bella Neapolitan Pizzera,"4918 Rainier Ave S, Seattle, WA",47.557704,-122.284985
  Touche Pasta Pizza Pool,"1425 NW Glisan St, Portland, OR",45.526465,-122.68558
  Piecora's New York Pizza,"1401 E Madison St, Seattle, WA",47.614005,-122.313985
  
negative.code: California Pizza Kitchen,"330 S Hope St, Los Angeles, CA",34.05333,-118.252683
  B J's Pizza & Grill,"200 Main St # 101, Huntington Beach, CA",33.658058,-118.001101
  B J's Restaurant & Brewhouse,"280 S Coast Hwy, Laguna Beach, CA",33.54209,-117.783516
  Beau Jo's Pizza,"2710 S Colorado Blvd, Denver, CO",39.667342,-104.940708
  Pasquini's Pizzeria,"1310 S Broadway, Denver, CO",39.692824,-104.987463
  Fargos Pizza Co,"2910 E Platte Ave, Colorado Springs, CO",38.839847,-104.774423
  