revision preference src: Concealing his activist identity, he sat down for a conversation with Shirley Phelps-Roper, the daughter of Fred Phelps, to get a better understanding of the group's mission. <SEP> tgt: He concealed his activist identity. He sat down for a conversation with Shirley Phelps-Roper, the daughter of Fred Phelps, to get a better understanding of the group's mission.