Are both sentences have correct parallel structure? If not which sentence has a correct parallel structure. A or B.
A. To celebrate our parents' anniversary, we will create a collage of family pictures, decorate the house with streamers and ballons, and we're having a small dinner party.
B. To celebrate our parents' anniversary, we are creating a collage of family pictures, decorating the house with streamers and ballons, and having a small dinner party.