Answer :
It's called counterargument when Shawn attempts to undermine Alexis's argument.
What is a counterargument?
A counterargument is an objection that used to rebut an objection to a premise, a main contention. A counterargument involves acknowledging standpoints that against our argument and then re-affirming our argument. This is done by stating the opposing side's argument, then ultimately we present our argument as the most logical solution. A counterargument might try to doubt the facts of one or more of the first argument's premises. It shows that the first argument does not follow from its premises in a valid manner. We can see the example of a counterargument on the question above, when Shawn attempts to undermine Alexis's argument.
Learn more about a counterargument https://brainly.com/question/547179
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