A:Philip, Robin, Martin, Cynthia and Roger are from China, Cuba, Azerbaijan, Switzerland and United States of America respectively. B:Roger is from United States of America. Answer: shift
A:Among Kevin, Ralph and Stephen the richest is Stephen. B:Ralph is richer than Stephen. Answer: express
A:Hugh and Julia are friends. She is an actor and he is a dentist. B:Julia is a dentist. Answer: express
A:Is Carl's brother friendly. B:Carl has a brother. Answer: shift
A:Carol, Angela and Charles are from Iraq, Colombia and Denmark respectively. B:Angela is not from Denmark. Answer: shift
A:Is Francis's sister incompetent. B:Francis does not have a sister. Answer: express
A:Louis is busy. Jimmy is busier. B:Louis is busier than Jimmy. Answer: express
A:Suzanne, Fred, Alex, Edith and Ryan are from South Korea, United Kingdom, Uruguay, Hungary and Georgia respectively. B:Edith is from Hungary. Answer: shift
A:Frank was born in 1999 and Martha was born in 1990. B:Frank is younger than Martha. Answer:
shift