def strategy(self):
        return self._strategy
checks sequence name and asks the user to set one if maya is in UI
dataset/ETHPy150Open nltk/nltk/nltk/parse/chart.py/SteppingChartParser.strategy--crossover with--dataset/ETHPy150Open eoyilmaz/anima/anima/env/mayaEnv/auxiliary.py/Playblaster.check_sequence_name