Story needs to be completed:
The cakes that Elena makes taste terrible compared to Felicia's, so

My choice:
Elena is not the baker.

Story needs to be completed:
Logan evaluated the condition of Kyle to make sure they were ok, since

My choice:
Kyle was a patient.

Story needs to be completed:
John suspected the pork, not the hamburger, had given him food poisoning, because the

My choice:
pork had been improperly cooked.

Story needs to be completed:
I tried to mop the floor with vinegar but had to do it over with soap because the

My choice:
vinegar was ineffective.