(Caffeine intake) may have an effect.Logical formLearned from2 sentences. A nap may be preceded by caffeine.Logical formLearned from2 sentences. Examples of drugs may include caffeine.Logical formLearned from2 sentences. Caffeine may manifest effectiveness.Logical formLearned from2 sentences. Active ingredients may include caffeine.Logical formLearned from2 sentences. A cola may contain caffeine.Logical formLearned from2 sentences. A (caffeine content) can be as coffee.Logical formLearned from2 sentences. A caffeine can be flavorless.Logical formLearned from2 sentences. Leaves may contain caffeine.Logical formLearned from2 sentences. Caffeine may be prescribed.Logical formLearned from2 sentences. 7mgs can be constituted-of-or-filled-with caffeine.Logical formLearned from2 sentences. Some painkillers may contain caffeine.Logical formLearned from2 sentences. An interference can be with a metabolism of caffeine.Logical formLearned from2 sentences. (Caffeine content) can be constituted-of-or-filled-with coffee.Logical formLearned from2 sentences. A caffeine can be in beans.Logical formLearned from2 sentences.