def get_texts_from_label(df, col_text, col_label, label):
    """
    Get Pandas series corresponding to the col_text column of the specified label

    Parameters
    ----------
    df: pandas dataframe
        Dataframe to extract the terms from
    col_text: str
        Name of the column containing the text
    col_label: str
        Name of the column containing the label
    label: str
        Name of the label to analyse

    Return
    -------
    Pandas Series
    """
    df_my_label = df[col_label] == label
    texts_from_my_label = df[col_text][df_my_label]
    return texts_from_my_label