Final answer:
The truth table for Statement 1A has four lines.
Step-by-step explanation:
To determine the number of lines in the truth table for the given statement, we need to count the number of possible combinations of truth values for the variables involved. In this case, there are 2 variables, N and K. Each variable can take on 2 possible truth values, true (T) or false (F). So, the total number of possible combinations is 2 * 2 = 4. Therefore, the truth table for Statement 1A has four lines.