Question: what does Murders of Chaney, Goodman, and Schwerner and Andrew Goodman have in common?
Sentence (from "Murders of Chaney, Goodman, and Schwerner"): This registration effort was a part of contesting over 70 years of laws and practices that supported a systematic policy of disenfranchisement of potential black voters by several southern states that began in 1890.
Relevant evidence: No