A flu may be spreaded.Logical formLearned from11 sentences. A flu may pass.Logical formLearned from11 sentences. A patient may have a flu.Logical formLearned from11 sentences. A (flu vaccine) may pertain-to persons.Logical formLearned from11 sentences. (Flu viruses) may evolve.Logical formLearned from11 sentences. A (flu vaccine) may pertain-to a year.Logical formLearned from11 sentences. A range can be constituted-of-or-filled-with (flu viruses).Logical formLearned from11 sentences. (Flu viruses) may disappear with weather.Logical formLearned from11 sentences. A country may have some cases of flu.Logical formLearned from11 sentences. A tourist may test positive for flu.Logical formLearned from11 sentences. A safeguard can be against flu.Logical formLearned from11 sentences. Children may die from seasonal flu.Logical formLearned from11 sentences. Some children may die from (flu complications).Logical formLearned from11 sentences. Someone may report (flu symptoms).Logical formLearned from11 sentences. A person may get some (flu symptoms).Logical formLearned from11 sentences.