Final answer:
Human speech is context shaped and context renewing, in line with the concept of linguistic relativity proposed by Sapir and Whorf, making the original statement true.
Step-by-step explanation:
The statement that human speech is context shaped and context renewing is true. Each spoken signal in conversation is indeed influenced by the preceding one, forming a coherent dialogue, and it sets the stage for what follows. The Sapir-Whorf hypothesis or linguistic relativity concept reflects this, suggesting that language and speech shape our perception and understanding of reality. Language is an advanced form of communication, intricately linked with our thoughts and cultural context. For instance, certain words or expressions are unique to a culture and carry meanings that are shaped by that culture's experience and worldview. This illustrates how human speech is both a reflection of and a contributor to the context in which it occurs.