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.
Q: The CDC recommends that all children ages 6 months and older be vaccinated against flu each season, though only about half get a flu shot or nasal spray. All but four of the children who died were old enough to be vaccinated, but 90 percent of them did not get (vaccinated), CDC officials said.  
 Verb: vaccinated
A:
Yes