"A new analysis of nearly 600 medical studies on the effects of alcohol contradicts the results of previous, smaller investigations. The earlier research concluded that moderate consumption provides some protection against heart disease. The new study found no statistically significant health benefits from drinking. The authors of the analysis say that people would be better off not drinking at all."

Which sentence in the paragraph expresses an opinion rather than a fact?


The earlier research concluded that moderate consumption provides some protection against heart disease.


The authors of the analysis say that people would be better off not drinking at all.


The new study found no statistically significant health benefits from drinking.


A new analysis of nearly 600 medical studies on the effects of alcohol contradicts the results of previous, smaller investigations.