Question: Sentence A: Only Helms went out of his way this time.

Sentence B: No one else but Helms went out of his way this time.

If sentence A is true, how about sentence B?

Answer: yes

Question: Sentence A: But by the next morning a few doubts troubled him as he tightened saddle cinches on the stallion.

Sentence B: He had no doubts before the race.

If sentence A is true, how about sentence B?

Answer: no

Question: Sentence A: Just a few steps west of Sacre-Caur is St-Pierre-de-Montmartre, one of the city's oldest churches.

Sentence B: The church was built in the 16th century.

If sentence A is true, how about sentence B?

Answer: it is not possible to tell

Question: Sentence A: In ancient times it was Canaan and Pilistia (coastal land of the Philistines), then Israel and Judea, before reverting to Palestine (the name ultimately derived from the Philistines).

Sentence B: The land known now as Palestine was never known as Israel or Judea.

If sentence A is true, how about sentence B?

Answer:
no