{appName, select,
        feed {{parentType, select,
            user {shared a post on <profile>profile</profile>'s timeline}
            page {shared a post in <profile>profile</profile>}
            group {shared a post in <profile>profile</profile>}
            event {shared a post in <profile>profile</profile>}
            other {shared a post}
        }}
        other {shared a post}
    }