dr. lock hart. fill in the sentence. >> would you mind repeating it the first part?> the most important purpose of a national park is? >> to educate and engage citizens in order to further understand our cultural historic and naltyag -- shared national heritage. >> you got the one phrase in there, and that's nice. ms. long. >> to conserve our nation's heritage imperttute. >> congressman. >> to observe the nation's natural resources and historic sites for the benefit of future generations. >> ok. sir. >> to preserve the resources therein iminpaired for our future. >> has a certain ring to it. >> no plagorism. >> i appreciate that. as we look at this entire process, one of the things that was interesting but was not part of any of the sentences was about the use of it and the purpose of individuals using the process. but that's something we can talk about in the future and i think those are actually very good sentences. i appreciate you helping out with that. thank you so much. i yield back the balance of my time. >> thank you. dr. christianen sen. >> thank you, mr. ch