Let's start with an example from history. Listed below are a series of claims regarding United States President John F. Kennedy (1917-1963). Classify each statement according to whether or not it is falsifiable

Statement 1 and 2 are falsifiable while that of statement 3 to 6 are not falsifiable.

Explanation:

As the statements are not given, the statements to be classified are as below

First two statements are Falsifiable as the reasons are below

As for these two statements there are counter facts/cross checking facts from which the truthfulness of the statements can be identified. For the 1st statement, the historic facts can be used and for the 2nd statement, the medical records for the death of  Kennedy can be used to test the claim

However for the statements 3 to 6 ,the statements are consider not falsifiable as there is no appropriate counter checking to define the truthfulness of these statements.

d) in the state of iowa