Question

which sentence is more formal? contrary to rumors, the official report concluded that the fire was the result of faulty wiring. so actually, the official conclusion was that the fire resulted from, like, faulty wiring.

Explanation:

Formal language avoids colloquialisms (like "so actually," "like") and uses precise, structured phrasing. The first sentence is concise, uses formal wording ("contrary to rumors," "the result of"), and lacks informal elements. The second has casual terms and a less structured tone.

Answer:

Contrary to rumors, the official report concluded that the fire was the result of faulty wiring.