[lemma=pavlenko] [lemma=have] [word=spent | □]
[lemma=pavlenko] [lemma=have] [word=spent | □=□]
[lemma=pavlenko] [lemma=have] [word=spent | !□]
For the past 30 years , Nikolai Pavlenko has spent every day of his life inside a cage with a carnivore .