 
 <prompt> Wetin fit spoil trees? Based on di previous question, write one context wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: E dey wondaful say di inner heartwood of old trees dey always remain strong as e dey usually be, since for many cases e don dey hundreds, and for some few cases e don reach thousands of years old. Any broken limb or root, or deep wound from fire, insects, or falling timber, fit allow decay enta, wey once e start, fit spread reach all parts of di trunk. Di larvae of many insects dey bore inside di trees and their tunnels dey remain forever as sources of weakness. Any advantage wey sapwood fit get for dis matter na based on e relative age and position. 