anchor.diff:  Sandella's Cafe,"5910 N Macarthur Blvd, Irving, TX",32.892002,-96.961188
   Mangia Chicago Stuffed Pizza,"3500 Guadalupe St, Austin, TX",30.301543,-97.739112
   Frank & Angie's,"508 West Ave, Austin, TX",30.269393,-97.750889
  -Filippi's Pizza Grotto,"1747 India St, San Diego, CA",32.723831,-117.168326
   Pizzeria Bianco,"623 E Adams St, Phoenix, AZ",33.449377,-112.065521
   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
  
positive.code: Sgt Peffer's Cafe Italian,"1501 N Saddle Creek Rd, Omaha, NE",41.273084,-95.987816
  Mama's Pizza,"715 N Saddle Creek Rd, Omaha, NE",41.265883,-95.980682
  Zio's New York Style Pizzeria,"1213 Howard St, Omaha, NE",41.25545,-95.932022
  Boston's Restaurant & Sports,"620 E Disk Dr, Rapid City, SD",44.106938,-103.205226
  Zio's New York Style Pizzeria,"7834 W Dodge Rd, Omaha, NE",41.26325,-96.0564
  La Casa Pizzaria,"4432 Leavenworth St, Omaha, NE",41.2524,-95.979578
  Giordano's,"730 N Rush St, Chicago, IL",41.895729,-87.625411
  Lou Malnati's Pizzeria,"439 N Wells St, Chicago, IL",41.890346,-87.633927
  Piece Restaurant,"1927 W North Ave, Chicago, IL",41.910493,-87.676127
  Connie's Pizza Inc,"2373 S Archer Ave, Chicago, IL",41.849213,-87.641681
  
negative.code: 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
  Old Chicago,"1415 Market St, Denver, CO",39.748177,-105.000501
  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
  