(Enemy warplanes) may come from bases.Logical formLearned from21 sentences. Pressure can be on an enemy.Logical formLearned from21 sentences. Attacks can be on an enemy.Logical formLearned from21 sentences. (Enemy fire) may be raked.Logical formLearned from21 sentences. Enemies can be airborne.Logical formLearned from21 sentences. A stream can be constituted-of-or-filled-with enemies.Logical formLearned from21 sentences. A property may pertain-to enemy.Logical formLearned from21 sentences. A weapon may pertain-to an enemy.Logical formLearned from21 sentences. An enemy may undergo resistance.Logical formLearned from21 sentences. An enemy may pertain-to a movement.Logical formLearned from21 sentences. Blows may pertain-to an enemy.Logical formLearned from21 sentences. Plots may pertain-to enemies.Logical formLearned from21 sentences. Casualties can be on an enemy.Logical formLearned from21 sentences. An enemy can be resourceful.Logical formLearned from21 sentences. Natural enemies may undergo conservation.Logical formLearned from21 sentences.