Which of the following contains a vague pronoun reference?

 - Though Mr. Landry loved the old house's charming kitchen, it was in serious need of repair.
 - The old house was in serious need of repair, but Mr. Landry loved its charming kitchen.
The first answer choice contains a vague pronoun reference. The pronoun it could refer to the house or the kitchen.
Though Mr. Landry loved the old house's charming kitchen, it was in serious need of repair.
The second answer choice shows a possible correction for the vague pronoun reference. The text has been rewritten so that the meaning is clear.
The old house was in serious need of repair, but Mr. Landry loved its charming kitchen.