Answer: While the CDC has mentioned the impact of hunger on students, the CDC has also stated that unhealthy eating is linked to lower grades and test scores.
A claim to logos is one which uses logical arguments and reason in order to persuade the reader.
In this case, the affirmative claim states that hunger is a factor in poor performance at school. The last option refutes that by saying that unhealthy eating is also linked to poor performance at school. This claim is supported by trust-worthy evidence from the CDC, making it an effective, logical negative claim.