def get_number_of_verb(sentence_token):
    """Return number of verbs in sentence

    Args:
        sentence_token (tuple): contains length of sentence and list of all the token in sentence

    Returns:
        int: number of verb in sentence
    """
    number_of_verb = 0
    for word in sentence_token[1]:
        if word.pos == 'VERB':
            number_of_verb += 1
    return number_of_verb