[word=","] [lemma=where] [lemma=think] [!tag=□] □
[word=","] [lemma=where] [lemma=think] [!tag=NN] □
[word=","] [lemma=where] [lemma=think] [!tag=VBZ] □
Perhaps nowhere are such possibilities more advantageous than at the University of Pittsburgh , where thinking small has led to big plans .