Keys can be to a building.Logical formLearned from41 sentences. A key can be to a fight.Logical formLearned from40 sentences. Keys can be to a car.Logical formLearned from40 sentences. A (beta key) may pertain-to a person.Logical formLearned from40 sentences. A key to success can be an ability.Logical formLearned from40 sentences. (Room keys) may pertain-to persons.Logical formLearned from40 sentences. Keys can be in an ignition.Logical formLearned from40 sentences. (Control keys) may be located on a front cover.Logical formLearned from40 sentences. Persons can be a key.Logical formLearned from40 sentences. Keys can be valid.Logical formLearned from40 sentences. A keyboard can be with keys.Logical formLearned from40 sentences. Keys can be to a relationship.Logical formLearned from40 sentences. A key can be to innovation.Logical formLearned from40 sentences. A person may give a person a key.Logical formLearned from40 sentences. A key may be depressed.Logical formLearned from40 sentences.