Question: Which magazine is of British publication, Heat or InStyle?
Context: BBC History Magazine is a British publication devoted to history articles on both British and world history and are aimed at all levels of knowledge and interest.  The publication releases thirteen editions a year, one per month and a Christmas special edition, and is owned by BBC Worldwide but is published under license by the Immediate Media Company.  "BBC History" is the biggest selling history magazine in the UK and is growing in circulation by nearly 7% every year. InStyle, published by IPC Media, was a monthly glossy magazine focusing on celebrities and their style.  The British edition launched in 2001, following the success of the magazine in the US.  The current editor is Trish Halpin, who commenced the position in September 2006.  The circulation of "In Style" was currently more than 145,000 in 2013.  In October 2016 the print version was cancelled and it became a web-only publication. InStyle is a monthly women’s fashion magazine published in the US by Time Inc. "InStyle" was founded in 1994. Page 6 (subtitled "Atari Users Magazine", and later known as New Atari User) was an independent British publication aimed at users of Atari home computers.  It was published between 1982 and 1998.  The computer magazine supported both the Atari 8-bit family of computers (400/800/XL/XE) and the Atari ST range. G. K.'s Weekly was a British publication founded in 1925 (with its pilot edition surfacing in late 1924) by seminal writer G. K. Chesterton, continuing until his death in 1936.  Its articles typically discussed topical cultural, political, and socio-economic issues yet the publication also ran poems, cartoons, and other such material that piqued Chesterton's interest.  It contained much of his journalistic work done in the latter part of his life, and extracts from it were published as the book "The Outline of Sanity".  Precursor publications existed by the names of The Eye-Witness and The New Witness, the former being a weekly newspaper started by Hilaire Belloc in 1911, the latter Belloc took over from Cecil Chesterton, Gilbert's brother, who died in World War I: and a revamped version of "G. K.'s Weekly" continued some years after Chesterton's death by the name of The Weekly Review. Metal Forces is a British publication founded in 1983 which promotes the music genres heavy metal and hard rock.  "Metal Forces" was well known for its coverage of unsigned bands through its "Demolition" feature and championed the likes of Metallica, Slayer, Megadeth, HellsBelles, Overkill, Death and Poison long before they had secured record deals.  They are credited as contributing in this fashion to the success of the band Anacrusis.  Dave Reynolds, a former writer for "Metal Forces", has claimed that the magazine was the first to coin the terms thrash metal and death metal.  A "Metal Forces" compiled vinyl album, "Demolition - Scream Your Brains Out!" , based on the magazine's popular "Demolition" column, was released in 1988 through Chain Reaction Records featuring Anacrusis, Atrophy, Hobbs' Angel of Death, Aftermath and the Chris Barnes fronted Leviathan.  In addition to metal acts, the magazine also featured interviews with alternative rock acts such as Nirvana. "Luck" is an 1886 short story by Mark Twain which was first published in 1891 in "Harper's Magazine".  It was subsequently reprinted in 1892 in the anthology "Merry Tales"; the first British publication was in 1900, in the collection "The Man That Corrupted Hadleyburg".  It is one of Twain's more neglected stories, and received little critical attention upon its publication. Meggan Puceanu is a fictional comic book superhero appearing in American comic books published by Marvel Comics, usually as a supporting character in stories featuring Captain Britain, and the X-Men.  A mutant empath and shapeshifting elemental, she was created by writer Alan Moore and artist Alan Davis, and first appeared in "Mighty World of Marvel" #7 (December 1983), which was published in the United Kingdom by Marvel's British publication arm, Marvel UK.  Her first appearance in an American Marvel publication was in "New Mutants Annual" (vol.  1) #2 (1986).  She eventually chose the codename Gloriana, a name of victory coined by the demons of Hell. Vanity Fair has been the title of at least five magazines, including an 1859–63 American publication, an 1868–1914 British publication, an unrelated 1902–04 New York magazine, and a 1913–36 American publication edited by Condé Nast, which was revived in 1983. Heat is a British entertainment magazine published by German company Bauer Media Group.  s of 2004 it is one of the biggest selling magazines in the UK, with a regular circulation over half a million.  Its mix of celebrity news, gossip, beauty advice and fashion is primarily aimed at women, although not as directly as in other women's magazines.  It also features movie and music reviews, TV listings and major celebrity interviews.  The magazine is headquartered in London.
Answer: Heat