I may be wrong but I'm never uncertain

Daddy: Do you know which one is red?
Addie: (confidently nods her head)
Daddy: Which one is red?
Addie: Da! (confidently points to the blue)

Mommy: Do you know which is the chicken?
Addie: (confidently nods her head)
Mommy: Where's the chicken?
Addie: Da! (confidently points to the cow)

Mommy: Do you know which one is big?
Addie: (confidently nods her head)
Mommy: Which one is big?
Addie: Da! (confidently points to the mouse instead of elephant)