Premise: Doctors prescribe a specific dosage for Modafinil depending on the age of the patient, medical history, prevailing health and the particular condition being treated. The minimum dose is 100mg but many people with sleep apnea and narcolepsy are prescribed to take 200mg. Daytime sleepiness and obstructive sleep apnea warrant 200mg, and a 400mg dosage is uncommon
Statement: Daytime sleepiness and obstructive sleep apnea warrant 200mg, and a 400mg dosage is rare
Relationship: entailment