Washoe and her mates were able to combine the hundreds of signs that they learned into novel combinations (that they had never been taught, but rather created themselves) with different meanings.
Washoe ja tema kaaslased olid suutelised omandatud sadu käemärke kombineerima, luues uusi tähendusi (mida neile ei oldud õpetatud, vaid mille peale nad tulid ise).