Question: Who convinced Jules and Curt to sleep together outdoors?
About the article "The Cabin in the Woods", section "Plot".

Candidate passages:
This concept first appeared on their trip to Andong, North Gyeongsang when the cast were split up into YB and OB teams to determine their sleeping locations through a game of Bok-bul-bok.
The OB team had won the game through a relay of Jegichagi (제기차기), but the YB team had insisted the production team to give them another chance.
The same game was played, but each member represented and played for themselves.
With the YB team already sleeping outside, the members who took the challenge competed to sleep indoors.
However if they lose the game, they were to sleep "out-outdoors" (sleeping in a sleeping bag without a tent).
Lee Seung-gi, MC Mong and Kim Jong-min attempted the challenge but failed and were chosen to sleep "out-outdoors".
Kang Ho-dong decided to challenge the game to save the YB team, but failed twice and was selected to sleep "out-outdoors" as well.
Kim C decided to take the challenge, but also failed and was chosen to sleep "outdoors" (with a tent).
Eun Ji-won and Lee Soo-geun did not attempt the challenge and slept "outdoors" and "indoors", respectively. 
Jules de Goncourt (17 December 1830 – 20 June 1870), born Jules Alfred Huot de Goncourt, was a French writer, who published books together with his brother Edmond.
Jules was born and died in Paris. 
Recent graduates of Georgetown University Alec (Judd Nelson), girlfriend Leslie (Ally Sheedy), Kevin (Andrew McCarthy), Jules (Demi Moore), and Kirby (Emilio Estevez) are waiting to hear about the conditions of their friends Wendy (Mare Winningham), a sweet-natured girl devoted to helping others, and Billy (Rob Lowe), a former frat boy and now reluctant husband and father, who were in a car accident together.
While at the hospital, Kirby sees a medical student named Dale (Andie MacDowell), with whom he has been infatuated since college.
Later the group gathers at their favorite college hangout, St. Elmo’s Bar.
It is revealed that Billy has been recently fired from the job Alec helped him secure and his marriage is getting increasingly unstable.
Later, at their studio apartment, Alec tells Leslie he is planning to leave his job with a Democrat to a work for a Republican in order to secure a better job.
He also pressures her to marry him but Leslie is convinced that they are not ready.
Meanwhile, Kirby is telling Kevin of his love for Dale when Billy shows up, asking to spend the night as he cannot deal with his wife.
Kevin begins to worry about his romantic life when Jules accuses him of being gay and being in love with Alec.
When he visits Alec and Leslie for dinner, Alec confesses to Kevin that while buying lingerie for Leslie, he has sex with the lingerie saleswoman.
Leslie is completely unaware and happily tries on the red slip Alec bought her.
Meanwhile Billy visits Wendy at the welfare office where she works, and joins her and her family for dinner.
The two get drunk together and Wendy reveals that she is a virgin.
She and Billy kiss but Wendy insists the two should just remain friends, especially since she realizes Billy is taking advantage of her crush on him.
During Halloween at St. Elmo’s Bar, Jules reveals to a disapproving Leslie that she is having an affair with her married boss.
Meanwhile, Billy sees his wife with another man in the crowd and attacks him.
Billy is thrown out of the bar but he and his wife make up.
The girls confront Jules about the affair and her increasingly reckless spending but she insists that she has everything under control.
Kirby takes a job working for Mr. Kim, a wealthy Korean businessman, and invites Dale to a party he is secretly holding at Mr. Kim’s house.
Wendy arrives with Howie, a boy her parents set her up with.
At the party, Alec announces to the gathering that he and Leslie are engaged, upsetting Leslie.
She confronts him about her suspicions of his infidelity and the two break up.
Alec is also angry with Kevin, whom he mistakenly believes confessed everything to Leslie.
After the party, Jules gives Billy a ride home and just when she is about to confide in him, Billy makes a pass at her.
Furious, Jules throws him out of her car.
Meanwhile, still pursuing Dale, Kirby drives to the ski lodge where she is staying but is embarrassed to find out that she already has a boyfriend.
He tries to leave but his car becomes stuck in the snow and Dale and her boyfriend coax him to come inside.
The next morning, as Kirby prepares to leave Dale’s cottage, Dale tells him she is flattered by his affections.
In a surprising moment, he kisses her, and she does not resist.
Leslie goes to Kevin’s place to stay the night after the break up and discovers a box of photographs of her.
Kevin confesses his love for her, and the two sleep together but the next morning, Alec comes by to apologize to Kevin for attacking him the night before.
Alec is shocked to find Leslie there and the two argue over his infidelity.
Eventually, Alec storms off.
Wendy meets her father at a café and announces she wants to be independent from her family and move into her own place.
Meanwhile it is revealed that Jules has been fired from her job and has fallen behind her credit card payments and as a result, all of her possessions have been repossessed.
Jules has locked herself in her apartment and the friends come together to try and coax her out.
Kirby fetches Billy, who has landed a job at a gas station courtesy of Kevin, to calm Jules down.
Billy consoles and comforts her, comparing her behavior to St. Elmo's fire, that her problems are merely an illusion.
Jules agrees to come back out, to the relief of her friends.
Wendy moves into her own place, where Billy comes to visit and he informs her that he is getting a divorce and is moving to New York City to pursue a career as a saxophonist.
The two make love as a going away present and at the bus station, the group gathers once more to say goodbye to Billy.
Billy urges Alec to make up with Leslie but Leslie declares that she does not want to date anyone for a while.
Alec and Kevin make up and the group decides to get brunch.
However, they decide not to go to St. Elmo's bar and instead choose Houlihan's because there are "not so many kids" there, symbolizing they are moving on from college life and are now ready to enter the adult world. 
Main characters.
Julia "Jules" Kiki Cobb-Ellis.
Courteney Cox plays Jules Cobb, born November 15, 1968, a recently divorced single mother exploring the honest truths about dating and aging.
Jules resides in a small town in Florida and is a real estate agent who is successful in business.
Though she has been out of the dating world for a while, Jules decides to find love again.
She starts dating Josh, a 28-year old in the beginning of season 1.
However, she breaks up with him after he tells her he's in love with her, and she realizes she does not reciprocate those feelings.
She meets her next boyfriend, Jeff while trying to sell a house to him and they date for a while until she realizes that they want different things: Jeff is looking for a long-term relationship, while Jules is not.
After her break-up with Jeff, Jules sleeps with Bobby but rejects his offer to reunite romantically.
Jules tells him that she does not love him like that anymore after their divorce.
Jules also has an incredibly close relationship with her high school (and later college) aged son, Travis, whom she had with her ex-husband Bobby.
The rest of the group finds her relationship with Travis somewhat scary and it has even been mention by Jules herself that professionals have deemed it 'unhealthy'.
Jules and her neighbour, Grayson are attracted to each other, their friendship is innocent and flirty until the episode "Letting You Go" when they kiss and sleep together.
In the next episode, Grayson and Jules explore the idea of friends with benefits, but they both realize that they want more and start secretly dating.
In the season 1 finale, they reveal the fact that they are dating to everyone, including Bobby—who is upset initially but learns to accept their relationship.
Jules and Grayson get engaged at the beginning of season 3 and are later married on the beach at the end of the season.
Jules also has a close relationship with her widower father, Chick. 
Every autumn the show will conduct a reading competition.
The cast will have an hour to study before the competition starts.
Members who lost the competition was chosen to sleep outdoors.