Which word is correct?

mom learned how to type on an electric typewriter
mom taught how to type on an electric typewriter

Questions 13–18: identify each of the italicized clauses in the sentences below as either restrictive or nonrestrictive. rewrite the sentence and set off the nonrestrictive clauses with commas. 13. students who are late will not be admitted to class. 14. joe’s birthday party which had been carefully planned went smoothly. 15. the team that scores the most points wins. 16. colonel john glenn who was one of the first astronauts became a senator in ohio. 17. bus drivers who are generally underpaid work long hours. 18. passengers think highly of bus drivers who are kind and considerate.