A:Christopher is harsher than Kathleen. Christopher is harsher than Ed. B:Among Kathleen, Ed and Christopher the harshest is Kathleen. Answer: extend
A:Ben, Ed, Edith and Jane are the only children of Mark. B:Mark has exactly 4 children. Answer: dating
A:Jerry has a light bulb. He is venal. B:Jerry is venal. Answer: dating
A:Eric was born in 1992 and Johnny was born in 2000. B:Johnny was born earlier than Eric. Answer: extend
A:Jack and Grace are friends. She is an economist and he is an author. B:Jack is an economist. Answer: extend
A:Ralph sat on a bike. B:It is Ralph's bike. Answer: extend
A:Toothpaste and food lie on table. Marilyn asked for toothpaste. B:Marilyn did not ask for food. Answer: dating
A:Fred, Andrea, Roger, Joe and Peter are from Colombia, Ecuador, Japan, Iraq and Zimbabwe respectively. B:Roger is from Japan. Answer: dating
A:Maria bought a phone to Joseph. B:Maria sold a phone from Joseph. Answer:
extend