Question not rendered correctly

[s-maheshbabu]

{
      "This terrible disease killed as much as 5%% of the worlds population and affected almost 20%% in just six months.": [
        "Spanish Flu",
        "Measles",
        "Bubonic plague",
        "Cholera"
      ]
}

This question in SCIENCE.json rendered incorrectly. Alexa read the answers as S, M, B and C. Check if there is some issue here or if it was a one time thing.