{
  "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
  "query": {
    "@type": "koral:group", 
    "operation": "operation:disjunction",
    "operands": [
      {
	"@type": "koral:token", 
	"wrap": {
	  "@type": "koral:term", 
	  "layer": "base",
	  "key": "foo"
	}
      }, 
      {
	"@type": "koral:group", 
	"min" : 0,
	"operation": "operation:repetition",
	"operands": [
	  {
	    "@type": "koral:group", 
	    "operation" : "operation:sequence",
	    "operands": [
	      {
		"@type": "koral:token", 
		"wrap": {
		  "@type": "koral:term", 
		  "key": "foo", 
		  "layer" : "base"
		}
	      },
	      {
		"@type": "koral:token", 
		"wrap": {
		  "@type": "koral:term",
		  "layer": "base",
		  "key" : "bar"
		}
	      }
	    ]
	  }
	]
      }
    ]
  }
}
