We would like you to assess the QUALITY of each of the following argument (discussing Death Penalty) and determine if the argument is Valid or Invalid. A valid argument is clearly interpretable and either expresses an argument, or a premise or a conclusion that can be used in an argument for the topic of death penalty. An invalid argument is a phrase that cannot be interpreted as an argument or not on the topic of death penalty.

What I mean is, that NO punishment would be legitimate.
Invalid

The National Bureau of Economics Research, directed by Katherine Baicker, found that sixteen years of capital punishment trials have costs the nation $1.6 billion dollars.
Valid

If the founding fathers were the ones in control of the country when it was first started, then everything that they wanted to occur in terms of legislation changes would have occurred."

Invalid