Berlin and Kay’s research suggested that color terms emerged during cultural
development in an orderly fashion. They believed the first three stages of emergence
were:
a) (1) red, (2) blue, (3) black and white.
b) (1) black and white, (2) red, (3) greenor yellow.
c) (1) black and white, (2) blue, (3) green.
d) (1) red and blue, (2) black and white, (3) grey.
Sign languages such as American Sign Language and German Sign Language
a. use the same gestures and patterns of gesture.
b. are complex gestural systems.
c. are natural languages with the same structural complexity as spoken language.
d. have been shown to be lexically impoverished, and lack any linguistic community.