Grammar check please!!!

Question

Georgia O'Keefe was an American painter from Wisconsin. Whose detailed close-ups of flowers brought her world renown.

Answer 1

Georgia O'Keefe was an American painter from Wisconsin whose detailed close-ups of flowers brought her world renown.

This is the correct answer.

Answer 2

THANK YOU SO MUCH!

Answer 3

With the word "whose", this is not two sentences. It is one. To make it two sentences, begin the second sentence with "her". "Whose" is an interrogative pronoun, "Whose paintings are those?" and a relative pronoun, introducing a clause related to the subject, as in "Georgia O'Keefe was an American painter whose detailed..."

Answer 4

Oh, okay. Thank you!