A polynomial is a sentence.
On September 26 , 2014 , police found a body later identified as 20-year-old Shao Tong -LRB- , 1994 -- 2014 -RRB- , a Chinese undergraduate at Iowa State University -LRB- ISU -RRB- , in the trunk of a car registered in her name parked in an apartment complex on the outskirts of town in Iowa City , Iowa .. Iowa State University. Iowa State University. She had been reported missing nine days earlier .. The cause of death was found to be homicide by suffocation .. homicide. homicide. suffocation. suffocation. Shao had last been seen on September 7 , at a hotel outside Nevada , a small town east of Ames , where ISU is located .. Nevada. Nevada, Iowa. Ames. Ames, Iowa. She had been spending the weekend there with her boyfriend , Li Xiangnan , a student at the University of Iowa , located in Iowa City .. Li ( surname 李 ). University of Iowa. University of Iowa. Her car and body were in the apartment complex he lived in .. Li was not present .. Li ( surname 李 ). Police believe that after abruptly checking out of the hotel the following morning , he had used her phone to text her friends that she was going to be away for a while and that Li had to return to China for a family emergency .. Li ( surname 李 ). While there was no evidence of Shao 's purported travel , Li had flown back to Beijing , but beyond that point his whereabouts were unknown .. Li ( surname 李 ). Beijing. Beijing. Early in 2015 , authorities in Johnson County charged Li with first-degree murder and obtained an arrest warrant .. Li ( surname 李 ). Johnson County. Johnson County, Iowa. arrest warrant. arrest warrant. Chinese Internet users began circulating pictures of Li , who remained at large .. Li ( surname 李 ). After Chinese detectives traveled to Iowa to visit the crime scene and review evidence , they too charged Li with intentional murder under Chinese law , which allows the prosecution of any Chinese citizen for a crime even if it occurred abroad .. Li ( surname 李 ). Chinese law. Law of the People's Republic of China. He surrendered to police in his native Wenzhou in May .. Wenzhou. Wenzhou. The case was prosecuted there , since not only is there no extradition treaty between China and the United States , China does not extradite its own citizens .. extradition treaty. extradition treaty. In March 2016 , he pleaded guilty ; three months later he was given a life sentence , which could be reduced to as few as 13 years .