Which is an example of exposition in The Crucible?

The exposition in The Crucible is provided by Reverend Parris, who explains the events leading up to the accusations of witchcraft in Salem. He describes how his daughter, Betty, and Abigail Williams, the niece of Reverend Samuel Parris, were found dancing in the woods with Tituba, a slave from Barbados. Parris also explains that Abigail has accused Tituba of witchcraft, and that the girls have been accusing other women in the town of witchcraft as well.