def coffee_break(text: str,                 # Text column
                 time: str,                 # Time column
                 date_format: str,          # Date format: 'eur' - European, 'us' - American
                 time_freq: int ='',        # Aggregation period: 'Y'/'M'
                 preprocess: bool = False,  # Clean data from numbers and punctuation
                 skip: [] ,                 # Remove additional stop words
                 n_breaks: int =''          # Number of breaks: min. 2
)