A person may hide a grin.Logical formLearned from11 sentences. Persons may have grins.Logical formLearned from11 sentences. A male may declare with a grin.Logical formLearned from11 sentences. A male may feel grin.Logical formLearned from11 sentences. A grin can be confused.Logical formLearned from11 sentences. A person may wear a grin.Logical formLearned from11 sentences. A male may offer a male a grin.Logical formLearned from11 sentences. A grin can be subtle.Logical formLearned from11 sentences. A grin may fade from a face.Logical formLearned from11 sentences. Grins can be amused.Logical formLearned from11 sentences. A grin can be sheepish.Logical formLearned from11 sentences. A male may try a grin.Logical formLearned from11 sentences. A grin can be hearty.Logical formLearned from11 sentences. A grin can be humorless.Logical formLearned from11 sentences. A female may grin a grin.Logical formLearned from11 sentences.