descriptopm

"bonnet:colour"=>"red","cap:colour"=>"silver","colour"=>"red","couplings"=>"2","fire_hydrant:position"=>"lane","fire_hydrant:type"=>"pillar"

"bonnet:colour"=>"red","cap:colour"=>"silver","colour"=>"red","couplings"=>"2","fire_hydrant:position"=>"parking_lot","fire_hydrant:type"=>"pillar"

"fire_hydrant:type"=>"pillar","fire_hydrant:position"=>"sidewalk"

"bonnet:colour"=>"red","colour"=>"red","couplings"=>"2","fire_hydrant:position"=>"sidewalk","fire_hydrant:type"=>"pillar"