@st.cache(allow_output_mutation=True)
def sentiment(score):
    if (score < 0):
        return 'Negative'
    elif (score == 0):
        return 'Neutral'
    else:
        return 'Positive'
@st.cache(allow_output_mutation=True)
def sentiment(score):
    if (score < 0):
        return 'Negative'
    elif (score == 0):
        return 'Neutral'
    else:
        return 'Positive'