Answer the following question: Generate a question about the following movie plot: Unbeknownst to humans, there is a thriving, technologically sophisticated society of Martians living below the surface of Mars. The Martians Supervisor (Mindy Sterling), while observing Earth, sees a mother (Joan Cusack) persuading her son, Milo (motion by Seth Green, voice by Seth Dusky), to do his chores. The Martians decide to bring her to Mars, where her "momness" will be extracted and implanted into the next generation of nannybots. Meanwhile, Milo, who doesn't like following the house rules and doing chores, tells his mother in anger that his life would be better without her, breaking her heart. Later that night, Milo goes to apologise, but discovers his mom is being abducted. He runs after her, but they end up in separate parts of the Martian spaceship. On Mars, Milo is taken to an underground cell. He escapes and is chased by Martian guards, but he follows a voice that tells him to jump down a chute, and lands in a lower subterranean level. There, he sees a trash-covered landscape that is inhabited by furry creatures. Milo is whisked away by the creatures to meet Gribble, a.k.a. George Ribble (Dan Fogler), the childlike adult human who had told him to jump down the chute. Gribble explains to Milo that the Martians plan to extract Milo's Mom's memories at sunrise, using a process that will kill her. Gribble, who is lonely and doesn't want Milo to leave, pretends to help Milo rescue his mother, but his plan goes awry leading to Gribble being captured and Milo being pursued by Martian guards. Milo is rescued by Ki (Elisabeth Harnois), one of the supervisions who raises Martian babies. Milo tells her about his search for his Mom and what a human relationship with a mom is like, as Ki and her kin were mentored by only nannybots and supervisors and don't know of love. Milo returns to Gribble's home but finds him missing. Gribble's robotic spider, Two-Cat (Dee Bradley Baker), takes Milo to the Martian compound where Gribble is being prepared for execution. Milo is captured by the guards, but Ki tosses him a...
Answer:
Who lands outside Milo's house ?