Question:
Based on the premise "Nora now sits in an ominous stillness.", can we conclude that "Nora sits very still."?
****
Answer:
yes

Question:
Based on the premise "Bill Gates wrote in The Road Ahead about the need for a dialogue on the information highway.", can we conclude that "Bill Gates wrote The Road Ahead when he was 42."?
****
Answer:
it is not possible to tell

Question:
Based on the premise "Not to be missed is a visit to Guangzhou's famous open-air market, Qing Ping.", can we conclude that "The market is inside."?
****
Answer:
no