Five fruits sit in a bowl as circles with colored fills and text labels. Every second, an apple is eaten or replaced with a lemon, triggering an animated transition that smoothly slides all remaining fruits into new positions over one second via `selection.merge().transition()`. The example demonstrates the general update pattern, using a key function on fruit IDs to track enter, update, and exit selections. Rendering relies on SVG elements built with D3 v6, applying ordinal color and radius scales from `d3.scaleOrdinal`.