(Prescription drugs) may be sold.Logical formLearned from19 sentences. Products may be sold to customers.Logical formLearned from19 sentences. Coal may be sold.Logical formLearned from19 sentences. A male may sell furniture.Logical formLearned from19 sentences. Goods may be sold to a country.Logical formLearned from19 sentences. A company may sell a product.Logical formLearned from19 sentences. Gasoline may be sold.Logical formLearned from19 sentences. Some brands may be sold.Logical formLearned from19 sentences. Planes may be sold.Logical formLearned from19 sentences. A person may sell a produce.Logical formLearned from19 sentences. A person may sell lots.Logical formLearned from19 sentences. A person may sell comics.Logical formLearned from19 sentences. A website may sell a products-which.Logical formLearned from19 sentences. A person may sell a bond.Logical formLearned from19 sentences. Loads of stuff may sell.Logical formLearned from19 sentences.