2018 P1 Q9

<span class="card-header m-0 d-block border bg-white border-grey2 rounded-top text-left" id=heading1> <span class="card-header-text d-block mb-0 oswald display-18 text-normal font-weight-bolder text-dark"> Question

<span class="card-header m-0 d-block border bg-white border-grey2 rounded-top text-left" id=heading2> <span class="card-header-text d-block mb-0 oswald display-18 text-normal font-weight-bolder text-dark"> Answer