[out:json][timeout:25];
// gather results
(
  // queries for individual nodes (e.g.  “amenity=parking and name=*”)
  // more info: https://wiki.openstreetmap.org/wiki/Key:shop#Supplementary_tags_for_shop.3D.2A
  node["shop"="butcher"]["name"]({{bbox}});
  node["shop"="farm"]["name"]({{bbox}});
  node["shop"="agrarian"]["name"]({{bbox}});
  node["shop"="greengrocer"]["name"]({{bbox}});
);
// print results
out center;