In this task, you are given a review of a movie and a boolean question whether this review has positive sentiment or negative sentiment. Your task is to generate answer "yes" when the tweet has that particular sentiment, otherwise generate answer "no".

Example Input: Review: I really enjoyed this film because I have a tremendous interest in American History... the Antebellum years and the Civil War in particular. I purchased it recently from a rack of previously-viewed videos on sale at the supermarket and I was very glad to add this one to my history video collection. Though not of the caliber of Civil War films such as "Glory" or "Gettysburg," provides a lot of history on the pre-Civil War brotherhood among cadets at West Point.Maybe it's the gray uniforms, the youth, or the military discipline, but I am fascinated by the story of the Corps of Cadets from around 1830 to the brink of the War. I imagine what it must have been like to sit in a classroom with other young men, learning how to make war, then later putting the lessons to use against your own classmates!Actually, there were two classes graduated in 1861: one class in May, the other in June. the movie makes no real mention of this, except to mention Henry A. DuPont, first graduate of the May Class; and George Custer, last grad of the June Class. the reason for the two classes was not so much about the war, but it was the result of switching back to a four-year course of study, after a few years of experimenting with a five-year course (I think the first class had attended five years, the other for four). As the movie portrays, cadets were like brothers and often had nicknames for each other... George "Fanny" or "Autie" Custer; Alonzo "Lon" Cushing; James "Beauty" Stuart (for J.E.B. Stuart, class of 1854), etc.I say this film is "Santa Fe Trail" as it should have been because that 1940 film, while enjoyable, really fudges history. Cadets from several different classes are all graduating together. JEB Stuart and George Custer are portrayed as the best of friends and are side-by-side in stopping John Brown's 1859 insurrection at Harper's Ferry. In fact, Stuart and Custer were never friends, but enemies during the War. They faced each other (for the first time, I think) at Gettysburg in 1863 (Stuart was at the Harper's ferry Raid, but Custer was still a cadet at the Point when it took place)."Fanny" Custer plays a role in "Class of '61," though his classmate chums, Dev O'Neill and Shelby Peyton are fictional. I believe they are respectively based on Partick Henry O'Rorke and John Pelham, two people you can look up.Anyway, I truly enjoy this film or any film which provides a window into mid-19th Century America. Question: is it a negative review?
Example Output: no

Example Input: Review: don't watch this Serbian documentary and Serbian propaganda look out for this documentary and you will see facts and truth. The Death of Yugoslavia documentary series (of five episodes) is a painstakingly compiled and researched account of the extended mass-bloodshed which marked the end of the old Federal Yugoslavia and spanned almost the entire first half of the 1990's. It includes a huge wealth of news footage and interviews with involved parties both "Yugoslav" and otherwise. The only real "improvement" which could be made to this amazing achievement would be the inclusion of later developments in the Balkans since the program was made. This was indeed done in the late 1990's for a repeat showing on BBC television, but the addition of some even more recent events would help to complete this admirably detailed and fulsome piece of work. Perhaps another whole episode might be warranted? The very succinct title of this documentary was made all the more appropriate by the eventual abandonment of the term "Yugoslavia" by the now-named Federal Republic of Serbia and Montenegro - a much belated and formal admission of that which occurred years before.not fiction like in "Yugoslavia: The Avoidable War (1999)" Question: is it a positive review?
Example Output: no

Example Input: Review: The acting, other reviews notwithstanding, was remarkably well-done. Brad Pitt handles the role of an annoying, obnoxious Austrian climber quite well. Other acting is fine. The story could have been riveting, but somehow, it misses - one never really understands or cares for the characters shown, and so the story, which could have been quite dramatic, fails to draw in this audience.Beautiful scenery and cinematography, a remarkably dramatic true story, important events that shaped the world that we live in - but I could not, try as I might, involve myself in this story. As an unabashed Brad Pitt fan (I consider him one of the top 5 actors of his generation), I expected to *love* this flick - and yet, it left me cold.It could be a failing within myself, but I tend to point toward the creative end of this movie - direction, scriptwriting, production, editing - somehow, they lost me. It's a shame, because it could have been wonderful.Good acting, dramatic story, beautifully shot - it should have been magnificent. It wasn't. Probably worth watching, just to make your own mind up on it - but don't expect too much, and perhaps you won't be as disappointed as I was. Mostly, it bored me. Question: is it a negative review?
Example Output:
yes