TASK DEFINITION: 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.
PROBLEM: But I oppose the death penalty because it has the capacity to kill innocent people.

SOLUTION: Valid

PROBLEM: Deterrence is not the only reason I support the death penalty.

SOLUTION: Valid

PROBLEM: The death penalty has been found to be a more effective deterrent to crimes against children.

SOLUTION:
Valid