." >> our contestant ellen sarem from helotes, texas, has entered thousands of contests, and even oncecar, but today, she's going for the biggest prize of them all, $1 million on "who wants to be a millionaire." [dramatic music] ♪ welcome. [cheers and applause] hey, everybody, welcome to the show. are you ready to play today? [cheers and applause] ellen, welcome. >> thank you. >> welcome to "millionaire." are you ready to play? >> i'm so ready. >> all right, let's set up your board, get going. we got those 14 questions between you and a million. three lifelines are up there, if you need 'em. let's make some money. >> okay. >> let's play "who wants to be a millionaire." it starts off with a $500 question. here it is. the book "wilderness camping & hiking" says a small mirror can be key to survival because a lost explorer can use it in the daytime to do what? [tense music] ♪ >> i mean, i think squirrels are pretty adorable, but i think the answer is signal others with sunlight, so c, final answer. >> of course, that seems to be the best use of $500. second question, worth $1,000. neurolo