['lack', 'lead', 'EmptyParameter', 'problem', 'to']
["Synset('condition.n.01')", 'compel-59.1', 'EmptyParameter', "Synset('condition.n.01')", 'to']
Their lack of knowledge about its formation has led to problems.
<PRP> Synset('condition.n.01') of Synset('abstraction.n.06') about <PRP> Synset('physical_entity.n.01') has led to Synset('condition.n.01').