Answer:
OPINION
➪is a judgement made by a person that not based in fact.
➪it's a statement that gives an honest attempt for an event or in a situation.
COMMONPLACE ASSERTION
➪a confident and forcefully statement of fact and belief.
➪is a statement that most of people believe to be true, even thoygh they cannot prove if it is a fact.
THEIR SIMMILARITIES
➪they express an own point of view in an event or in a situation.
➪they can make an argument.
