Question 4(5 points) Which statement about signal phrases is true? (5 points) 1) Signal phrases should be worded the same way throughout an informational text. 2) Signal phrases are only needed when a writer uses a direct quote from an article. 3) Signal phrases should provide just enough information to show the reader that the source is a valid one that can be trusted. 4) Signal phrases should provide name, job, and source of every fact used in a text.