(Plate armor) may undergo a development.Logical formLearned from4 sentences. An armor may pertain-to knight.Logical formLearned from4 sentences. Fighters may wear armor.Logical formLearned from4 sentences. (Football players) may be covered in armor.Logical formLearned from4 sentences. Armor may undergo penetrations.Logical formLearned from4 sentences. Armor may undergo a testing.Logical formLearned from4 sentences. An armor can be insufficient.Logical formLearned from4 sentences. Some layer can be constituted-of-or-filled-with armor.Logical formLearned from4 sentences. An armor can be physical.Logical formLearned from4 sentences. An armor can be personal.Logical formLearned from4 sentences. Armor can be in a country.Logical formLearned from4 sentences. A mobile armor may undergo sightings.Logical formLearned from4 sentences. An armor may chafe a bit.Logical formLearned from4 sentences. An armor can be plain.Logical formLearned from4 sentences. Armor may work.Logical formLearned from4 sentences.