Question:
Based on the premise "Florence's greatest artists, Michelangelo at their head, came to gaze and marvel, sketching Masaccio's trail-blazing use of light and visual depth as instruments of emotional impact, particularly striking in the broad sweep of his St. Peter Paying the Tribute Money.", can we conclude that "Masaccio used light and visual depth in his works."?
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Answer:
yes

Question:
Based on the premise "The pace of change has accelerated for government and for the country as a whole.", can we conclude that "Change is faster because the President is making good choices."?
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Answer:
it is not possible to tell

Question:
Based on the premise "We started walking on two legs between 6 million and 4 million years ago, tool-making began 2.5 million years ago, and our brains grew dramatically between 2 million and 1 million years ago.", can we conclude that "We became bipedal walkers 5 million years ago."?
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Answer:
it is not possible to tell