actor <a href="mammal.html">mammal</a> <a href="organism.html">organism</a> <a href="plant.html">plant</a> <a href="dna.html">dna</a> <a href="thing.html">thing</a> <a href="crop.html">crop</a> <a href="weed.html">weed</a> <a href="vegetable.html">vegetable</a> <a href="person.html">person</a> <a href="flower.html">flower</a> <br>
output <a href="cell.html">cell</a> <br>