Problem: Is "The ocean beach was a safer place to swim." true if "We went to the lake, because a shark had been seen at the ocean beach, so it was a safer place to swim."?
Answer: no

Problem: Is "Emma saw that she was open." true if "Emma did not pass the ball to Janie although she saw that she was open."?
Answer: yes

Problem: Is "Carol believed that Rebecca suspected that Rebecca had stolen the watch." true if "Carol believed that Rebecca suspected that she had stolen the watch."?
Answer: no

Problem: Is "Equally swoon-worthy is C.K. Dexter Haven, a pallid young dandy holding a jade-handled walking stick, with a poodle asleep at the poodle's feet." true if "Equally swoon-worthy is C.K. Dexter Haven, a pallid young dandy holding a jade-handled walking stick, with a poodle asleep at his feet."?
Answer:
no