Where's Caitlin's Tongue?

Language Skills We've Been Trying For Months to Teach Our Daughter with Little Notable Success:

Ma-ma
Da-da
Cait-lin
Gramma
Grampa
Ba-Ba
Nana
Hot
Milk (with sign)
Food (with sign)
Diaper (with sign)
All gone (with sign)
Please back down from the fireplace (with face)
Please exercise caution (in Russian)
More
Nap
Lovies
Kisses
Hugs
Kindly stop screaming at pitches reserved for dog whistles and volumes for rocket engines

Language Skills That Our Daughter Spontaneously Developed All By Herself:

"Where's Caitlin's TONGUE?"