Answer:
yes, it was negligent of Lily to not say anything and she can be liable.
Explanation:
According to my research on different liability factors, I can say that based on the information provided within the question yes, it was negligent of Lily to not say anything and she can be liable. As a licensed Architect who was hired, she has the moral and legal obligation to speak up if their is information regarding the job that may affect the other party and they do not know about it.
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