Signals may stand_out from a background.Logical formLearned from2 sentences. Perpetrators may stand_out in relief.Logical formLearned from2 sentences. A male may stand_out in a history of (motor racing).Logical formLearned from2 sentences. Trees may stand_out in air.Logical formLearned from2 sentences. A neck may stand_out above a collar of an uniform.Logical formLearned from2 sentences. Locks may stand_out at a side of a head.Logical formLearned from2 sentences. Cords may stand_out in wrists.Logical formLearned from2 sentences. Persons may stand_out in a street.Logical formLearned from2 sentences. A black object may stand_out against a square of velvet.Logical formLearned from2 sentences. Bones of a chest may stand_out in evening-dress.Logical formLearned from2 sentences. A hooked nose may stand_out between eyes.Logical formLearned from2 sentences. A palace of courts may stand_out against the sky.Logical formLearned from2 sentences. Ribs may stand_out on skin.Logical formLearned from2 sentences. A form may stand_out in relief.Logical formLearned from2 sentences. A perspiration may stand_out in beads.Logical formLearned from2 sentences.