Two types of Rookies

When i moved in last November, I figured it was just a matter of time
before they'd realize they didn't put down an 'anti-weed growing
sheet' and would have to remove all the rocks - rookies.

"hey boss, who are we going to put on the job to remove all those
stupid rocks? Eh, I dunno, just pick out two rookies to do it" -
rookies