Definition: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Input: A Los Angeles man and his daughter have been charged with conspiring to commit visa fraud by running a sham wedding operation for Chinese immigrants wanting green cards. Jason Shiao, 65, and his daughter Lynn Leung, 43, allegedly charged up to $50,000 from clients who were hoping to obtain legal immigration status. The pair reportedly netted $3.5million from the scam, in which they would stage fake weddings and honeymoons and provide their customers with fraudulent documentation, police said. They would pay U.S. citizens desperate for money - including homeless people - up to $10,000 each to pose as faux grooms and brides, it is alleged. Sometimes they would also pay gay men to be grooms to straight woman, it is claimed.Jason Shiao, 65, and daughter Lynn Leung, 43, who live in Los Angeles, were arrested WednesdayThey were later charged with conspiring to commit visa fraud by arranging phony marriages between Chinese citizens and American spousesThe ten-year operation netted the pair $3.5million, investigators saidChinese clients would pay up to $50,000 each for fake wedding photos and sham documents, according to policeAmericans - including homeless people - would be paid a reported $10,000 to pose with their 'bride' or 'groom'Shiao and Leung, who have duel Chinese and Australian citizenship, face up to five years in jail and being deported if they are found guilty 
 Question:However many of the _ interviewed by ICE investigators said they never received the cash they were promised.

American