Answer:
Valid evidence is based on facts or sound reasoning; invalid evidence is based on incorrect facts or faulty reasoning.
&
Valid evidence is based on information that is closely related to the point being made; invalid evidence is based on contradictory or unconnected information.
Some ideas for this could be: Romeo and Paris have similar wealth and social status, different ages of the two of them, Romeo changes his love interests but Paris focuses solely on Juliet through the entire work, and along those lines, Romeo is emotionally unstable whereas Paris is relatively confident. Good luck!
Answer:
the introduction paragraph
Explanation: