Please answer the following question: Question: What causes Clark to faint? If there is no answer, please output "Insufficient information to provide an answer.". Movie title: National Lampoon's Christmas Vacation Context: Open: A 2 minute animation of Santa arriving at the Griswold family house and putting presents under the tree.We open with Clark and Ellen singing Christmas carols in the car on the way to a Christmas tree lot out in the country. As Audrey and Rusty are increasingly uninterested in Clark's plan to put on the perfect Griswold family Christmas, Clark gets into a dangerous game of cat and mouse with some truck drivers after he's cut off and flips them off. This ultimately causes Clark to veer the car off the road and jump over 500 feet. As the Griswolds find their perfect tree, Rusty reminds Clark that he forgot to bring a saw.Back home, as Clark gets out his Christmas decorations and begins setting up the tree, he makes an off color joke to his pretentious yuppie neighbor Todd about where he'd like to put the tree. That night, the excess sap causes Clark to stick to everything he touches.The rest of the movie is told through the style of an advent calender. Starting with:Dec. 14th:The Griswold family is at a busy department store buying Christmas presents. Clark can be seen hitting on "Department Store Mary" in front of his son Rusty. That night Ellen's parents and Clark's parents arrive at the house.Dec. 15th:That night, Clark reveals to Rusty his plan of illuminating the house with some 25,000 imported Italian twinkle lights. Audrey tells Ellen that her plan of sleeping in the same room as her brother is sick and twisted.Dec. 16th:Clark sets about illuminating the house with some 25,000 imported Italian twinkle lights, and a few other decorations like a plastic Santa. His first attempt at setting the lights up ends in near disaster with several broken windows and Clark stapling the sleeve of his shirt to the roof. The yuppie neighbor Todd and his wife Margo are complaining about Clark destroying their stereo and carpet in the process.Dec. 17th:Clark is at a potentially very important meeting with his boss Mr. Shirley. He believes this is the key to landing a bigger holiday bonus. He and his associate Bill...
A:
Insufficient information to provide an answer.