anchor.diff:        const isRight = (colour === light.predicted);
         const name = isRight ? 'tick' : 'cross';
         setPredict(name, counts[name] + 1);
  +      $counts.show();
       }
     };
   
     const setPredict = (name, n) => {
  -    const $count = $(`.${name}.count`, $predictCounts);
  +    const $count = $(`.${name}.count`, $counts);
       $count.text(counts[name] = n);
     };
   
  
positive.code: 'use strict';
  $(() => {
  
    const $predictCounts = $('.review.predict-counts');
  
    const counts = { cross: 0, tick: 0 };
  
  
negative.code: <div class="review predict-counts" style="display:none;">
    <div class="circle box">
      <div class="cross count"></div>
      <img src="/images/traffic-light/circle-cross.png">
  