A grin may stretch lips.Logical formLearned from12 sentences. A grin may waver.Logical formLearned from12 sentences. Grins can be charming.Logical formLearned from12 sentences. A female may give a male a grin.Logical formLearned from12 sentences. A male may call with a grin.Logical formLearned from12 sentences. A grin can be crimson.Logical formLearned from12 sentences. A male may give persons a grin.Logical formLearned from12 sentences. A doctor may say with a grin.Logical formLearned from12 sentences. A male may return with a grin.Logical formLearned from12 sentences. A grin can be uneasy.Logical formLearned from12 sentences. A grin can be delightful.Logical formLearned from12 sentences. A grin may be plastered onto a face.Logical formLearned from12 sentences. A male may greet a person with a grin.Logical formLearned from12 sentences. A male may correct with a grin.Logical formLearned from12 sentences. Lips may curl in a grin.Logical formLearned from12 sentences.