If “No sting operations are cases of entrapment” is true, what is the truth value of the following statements?

a. All sting operations are cases of entrapment.
b. Some sting operations are cases of entrapment.
c. Some sting operations are not cases of entrapment.

Use the traditional square of opposition to find the answers to these problems. When a statement is given as false, simply enter an “F” into the square of opposition and compute (if possible) the other truth values.