Which sentence would be inappropriate in an informational piece of writing with a formal tone?

Thirty-nine plays, a combination of comedies, histories, and tragedies, are attributed to William Shakespeare.

Scholars speculate that Hamlet may have been informed by the relationship between Shakespeare and his son Hamnet, who died at eleven years of age.

People find Shakespeare's Pericles, Prince of Tyre boring and annoying because it's possible that he didn't even write the entire play.

William Shakespeare, a poet and playwright, is generally deemed the greatest writer in the history of the English language.