Which two words combined to create the contraction 'they've'?

Which statement state a claim? check all that apply. (1) the driver education programs are often to sophomore’s at local high schools. (2) students should have a vision test before they can operate motor vehicles. (3) driving classes should i head instruction about the dangers of texting and driving. (4) mr. graber is the behind-the-wheel instructor at our high school. (5) behind-the-wheel courses ought to include driving time on local highways.

Which sentence from the article best supports the statement above

How can miscommunication cause a tragedy?