When sentence provides information influenced by an opinion?

Question

Mathews grandfather even built a slide for exiting the tree house

The tree house has shelves for books and games

Matthews friends are probably going to be jealous of his amazing tree house

Matthews grandfather built him a tree house in the backyard

Answer 1

The sentence that provides information influenced by an opinion is:

"Matthews friends are probably going to be jealous of his amazing tree house."

This sentence expresses a subjective interpretation ("probably going to be jealous") rather than a straightforward fact.