Amelie Chua knows how to say three words: mama, dada and cat. But the 13-month-old understands and communicates far more than that.
When her mother, Ms Applie Wan, 31, makes a gesture indicating "bath" - moving her fists in front of her chest - Amelie runs to the bathroom to have a wash.
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A version of this article appeared in the print edition of The Sunday Times on October 14, 2018, with the headline Let baby's fingers do the talking. Subscribe