Detailed Instructions: You will be given a context and a verb separated with a newline character, and you have to answer if the given verb is a negation or not. A verb is a negation if it is not going to exist, not happen, or has no effect. The output should be "Yes" if the verb is a negation and "No" otherwise.
Problem:A book of memoirs and photographs from the climb by Mr Lowe, which he worked on with Dr Lewis-Jones, is due to be published in May. He said : " Lowe was a brilliant, kind fellow who never (sought) the limelight... and 60 years on from Everest his achievements deserve wider recognition.  
 Verb: sought
Solution:
Yes