Question:
SA: "Archaeologists have concluded that humans lived in Laputa 20,000 years ago. They hunted for evidence on the river banks."

SB: "Archaeologists hunted for evidence on the river banks."

Is SB true, based on SA?

Answer:
yes

Question:
SA: "Ann asked Mary what time the library closes, but she had forgotten."

SB: "Ann had forgotten."

Is SB true, based on SA?

Answer:
no

Question:
SA: "This book introduced Shakespeare to Ovid; it was a major influence on his writing."

SB: "It was a major influence on Shakespeare's writing."

Is SB true, based on SA?

Answer:
yes

Question:
SA: "The politicians far away in Washington could not know the settlers so they must make rules to regulate them."

SB: "The politicians must make rules to regulate them."

Is SB true, based on SA?

Answer:
yes