['he', 'look', 'EmptyParameter', 'excuse', 'for']
['<PRP>', 'seem-109', 'EmptyParameter', "Synset('personal_letter.n.01')", 'for']
He was merely looking for an excuse to escape delivering the lecture.
<PRP> was merely looking for an Synset('personal_letter.n.01') to escape delivering the Synset('speech_act.n.01').