Read the paragraph.
Select the number at the start of the sentence that makes an inappropriate shift into passive voice.

I went into the kitchen thinking that I would try to bake my first chocolate cake. [1] My younger brother, who loves anything sweet,
decided to join me in the endeavor. [2] Most of the ingredients we needed were found in the cupboards. [3] As I was wrestling a mixing
bowl out of a large stack of bowls. I heard a sudden gasp. [4] I turned in my brother's direction and discovered him coated in flour from
head to toe.