Another example is showing someone an ace of spades playing card featuring red text and graphics. The ace of spades typically features black text and graphics, so many people, if you ask them what color they see on the card, will say “purple.” In this example, there is metonymical extension to the extent that people “see” some blackness which makes the red look purple.
An instance of verbal behavior with the following features:
The response form has already been acquired in one or more of the elementary verbal relationships
The stimulus must be novel
The novel stimulus must have none of the relevant features of the class of stimuli that previously controlled the response
The type of elementary verbal relationship
Formal and dynamic characteristics of both the stimulus and the response
Whether or not the current response is followed by reinforcement