[tag=PRP] [lemma=d] [tag=RB] [word=seen] □
[tag=PRP] [lemma=d] [tag=RB] [word=seen] [□]
[tag=PRP] [lemma=d] [tag=RB] [word=seen] (□ | □)
They're the first globular clusters I 'd ever seen and , now , finding them is a piece of cake .