The correct answer here is the first answer.
Greek term "koinai ennoiai" means common sense, with the word "common" meaning "in common" that is "shared". That is why Locke uses it to describe the ideas that are shared by all people, as they are common to us all, regardless of birth and position.
A. “Alex went to their kitchen in HER house” is WRONG
Ungrammatical is the correct answer
