@prefix : <http://example.com/test#> .
    
    ()     :verb0 :object0 .
      ( "subj1"  )
         :verb1 :object1 .
      ( "subj2a" 
        "subj2b"  )
         :verb2 :object2 .
    
    :a_threebrackets     =  (
         (
             (
                :fff  ) ) ) .
    
    :emptyList     = () .
    
    :listOf2Empties     =  (
        () 
        ()  ) .
    
    :nested     =  (
        :first 
        :second 
         (
            :left3 
            :right3  )
        :fourth  ) .
    
    :threeItems     =  (
        :b 
        :c 
        :d  ) .
    
    :twoAnons     =  (
         [
                 a :mother ]
         [
                 a :father ] ) .
      [      :anonVerb12 :anonObj12;
             :verb12 :obj12 ].