Eric got an A on his essay. George got a B.

Which of the following answer choices correctly connects the two sentences using an appropriate transitional word or phrase?



Eric got an A on his essay. Simultaneously, George got a B.



Eric got an A on his essay. Since then, George got a B.



Eric got an A on his essay. For instance, George got a B.



Eric got an A on his essay, but George got a B.