Answer:
Explained below.
Step-by-step explanation:
This story is from a 1953 play written by Arthur Miller titled "Crucible".
In this play, Giles Corey's proof for his charge is that another person heard Putnam talk about his intention to get the land that belongs to George Jacobs'.
Corey will not supply the proof of name of the person who heard Put talk about getting the land because he doesn't want to endanger the person's name by revealing it.