Protolanguage

• Big train; Red Book

• Adam checker; Mommy lunch

• Walk street; go store

• Adam put; Eve read.

• Put book; Hit ball.

• Drink red; Comb black.

• Clothes Mrs G; You hat.

• Go in; Look out.

• Roger ticket; You drink.

• Tickle Washoe; Open blanket.

2-year old child

Trained chimpanzee

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