def postprocess_phrase(phrase):
    """
    Some words might be 'cut' for an exam, as the text might take
    several lines. If we find that the last element of a sentence is
    '-', we remove it, and the word will continue in the next line. 
    Otherwise, we are sure it is the end of a word.
    
    Args:
    
    phrase (string)
    
    Warnings:
    
    This implementation is specific for Spanish
    """
    
    if len(phrase) == 0: return phrase
    
    if phrase[-1] == "-":
        return phrase[:-1]
    else:
        return phrase+" "