200
...with a parrot on his shoulder. "Peer!" it cries. The bartender looks at it intensely. "Beer!" it screeches. "What kind," the bartender asks. "Peer!" the parrot responds. The bartender again looks at it intensely. "Pardon my bird," the linguist explains. We spent the morning working on ______ features of English phonemes; you know, the ones that are unpredictable.
distinctive