Q:Generate a question about the following movie plot: A far-right candidate is elected to the French presidency, sparking riots in Paris. Hoping to escape Paris but needing cash, Alex (Aurelien Wiik), Tom (David Saracino), Farid (Chems Dahmani), the pregnant Yasmine (Karina Testa), and her brother Sami (Adel Bencherif) take advantage of the chaos to pull off a robbery. Sami is shot and the group splits up: Alex and Yasmine take Sami to a hospital, and Tom and Farid take the money to a family-run inn near the border. Innkeepers Gilberte (Estelle Lefebure) and Klaudia (Amelie Daure) claim their rooms are free and seduce the two men. At the hospital, the emergency room staff report Sami's injury to the police. Sami insists Yasmine run before the police catch her. His dying wish is that Yasmine not have an abortion. Alex and Yasmine flee, phoning their friends for directions to the inn. Tom and Farid give them directions but soon after are brutally attacked by Gilberte, Klaudia, and Goetz (Samuel Le Bihan). When Tom and Farid try to escape, Goetz runs their car off a cliff. The injured men wander into a mine shaft, where Tom is quickly recaptured. Farid must fend for himself in the mine with the family's rejected children. Unaware of the danger, Alex and Yasmine arrive at the inn and are captured by the family. Alex and Yasmine are chained in a muddy-floored pig pen. Alex breaks Yasmine's chains and allows her to escape. When the captors discover Yasmine's escape, the family patriarch, von Geisler (Jean-Pierre Jorris), cuts Alex's Achilles tendons. Meanwhile, in the mine, Farid finds the storage area for the victims. The family realizes something is amiss in the mine, and Hans (Joel Lefrancois) chases Farid into a boiler where Farid is cooked alive. Yasmine flees from the inn but is quickly picked back up by Goetz. Back in the pig pen, von Geisler personally grants Alex's last wish, which is to be put down quickly. Initially, von Geisler wishes for Karl (Patrick Ligardes) to "wed" Yasmine to carry on the family lineage, but when von Geisler learns she is...
A:
Why does the captors cut Alex's Achilles tendons?