input question: Please answer the following question about this movie plot. If it's un-answerable, please output "No answer". Question: Who do wants to do a psychological evaluation of Martens? Movie plot title: Antibodies Movie plot: When a notorious German serial killer is captured after committing some of the most heinous acts against humanity ever imaginable, a farmer and police officer from a sleepy rural community on the outskirts of Berlin is drawn into the case as he searches for the answers to a murder that has shaken his tight-knit community in director Christian Alvart's tense psychological nightmare. Gabriel Engel (Andre Hennicke) is the most depraved kind of predator imaginable. In his brutal and bloody killing spree, Engel has preyed on not only adults, but defenseless young children as well. Now Engel has been captured by the authorities, and the shaken citizens can all breathe a little bit easier. All except for Michael Martens (Wotan Wilke Moehring), that is. It's been a year since young Lucia Flieder was found viciously slain, and the citizens of the community that Martens presides over are growing impatient as they await the capture of her killer. Engel has admitted to 14 murders, but he has staunchly denied any connection to the Flieder case. Nevertheless, he claims to know the identity of the killer. Before he entrusts Martens with the sensitive information, Engel demands that Martens allow him to engage in a total psychological evaluation of his interrogator. With a convicted maniac gradually working his way deep into Martens' fragile psyche, an urban police force who derides the rural lawman as an ineffective incompetent, and a family life that is slowly coming unraveled, the once determined police officer slowly feels himself succumbing to the madness that encircles him with each step closer he gets to realizing the true identity of Flieder's killer.???
output answer: Gabriel Engel

Please answer the following question about this movie plot. If it's un-answerable, please output "No answer". Question: Why was Thomas at the cemetery? Movie plot title: Je vais bien, ne t'en fais pas Movie plot: Lili, a 19-year-old, returns from holidays and learns that her twin brother Loic has left the house after a violent argument with their father. Lili had a very strong relationship with her brother and is distraught after having no contact with him at all, concluding that something happened to him. Lili stops eating and begins losing strength and ends up in the hospital where she has decided to stop living at all. She receives a letter from Loic where he apologizes for leaving without a word or getting back to her and makes it very clear that he will not be coming back. He also says that he has been traveling around living on petty jobs and blames their father for his lot in life. Lili recovers and begins looking for her twin by following the trail of the letters she has received along with Thomas, the boyfriend of her friend from school, Lea. Lili and Thomas gradually fall in love. When Lili goes to Saint Aubin with Thomas, she sees her father mailing letters, concluding that her father was imitating Loic's handwriting and sending letters to Lili, in an attempt to protect her and keep her alive. Coincidentally, Thomas, when visiting his grandmother's grave, sees Loic's gravestone. When Thomas arrives at Lili's house for a family lunch, he speaks with her parents, mentioning that he knows of Loic's death. They reveal that Loic had died in an accident during mountain climbing, and they plead for Thomas not to tell Lili anything. Thomas believes that they are crazy, but decides to keep the truth to himself. Lili, who arrives home shortly after to meet Thomas and her parents for the lunch, finds her brother's guitar hidden in her father's car. Knowing he would never have left behind his beloved guitar, she learns that he can not just have gone away. Even though both Lili and Thomas know the truth by now, they don't talk about it, even though Loic has been the most important thing on their minds for the past year. They talk about leaving the city and go to the sea.
----
Answer: visiting his grandmother's grave

Problem: Given the question: Please answer the following question about this movie plot. If it's un-answerable, please output "No answer". Question: Who shoots down Lydecker? Movie plot title: Laura Movie plot: New York City police detective Mark McPherson (Dana Andrews) is investigating the murder of a beautiful and highly successful advertising executive, Laura Hunt (Gene Tierney). Laura has apparently been killed by a shotgun blast to the face, just inside the doorway of her apartment. He first interviews charismatic newspaper columnist Waldo Lydecker (Clifton Webb), an imperious, effete dandy, who relates how he met Laura and became her mentor. She had become his platonic friend and steady companion and he used his considerable fame, influence, and connections to advance her career. McPherson also questions Laura's parasitic playboy fiance, Shelby Carpenter (Vincent Price), a "kept man" and companion of her wealthy socialite aunt, Ann Treadwell (Judith Anderson). Treadwell is tolerant of her niece's infatuation with Shelby, which appears to be out of her practical acceptance of Shelby's need for the affection of a woman who is his own age. All the while, Treadwell is carrying on with Carpenter and giving him money. Detective McPherson finally questions Laura's loyal housekeeper, Bessie Clary (Dorothy Adams). Through the testimony of her friends, and the reading of her letters and diary, McPherson becomes obsessed with Laura, so much so that Lydecker finally accuses him of falling in love with the dead woman. He also learns that Lydecker was jealous of Laura's suitors, using his newspaper column and influence to keep them at bay. One night, the detective falls asleep in Laura's apartment, under her portrait, and is awakened by the sound of someone entering the apartment. He is shocked to discover it is Laura, who finds a dress in her closet belonging to one of her models, Diane Redfern. McPherson concludes that Redfern was the victim, brought there by Carpenter, while Laura was away in the country. Now it becomes even more urgent to unmask the murderer. A party is thrown to welcome Laura's return. At the party, McPherson arrests Laura for the murder of Diane Redfern. Upon questioning her, he is convinced that...
++++++++++++++++++++++++++++++++
The answer is:
McPherson's sergeant