A stone may obscure by mushrooming construction.Logical formLearned from2 sentences. A shadow of fear may obscure prospects.Logical formLearned from2 sentences. A goal may obscure by crisis.Logical formLearned from2 sentences. A person may obscure a pattern.Logical formLearned from2 sentences. Dust may obscure visibility.Logical formLearned from2 sentences. Stars may obscure by clouds.Logical formLearned from2 sentences. The sun may obscure by a haze.Logical formLearned from2 sentences. A square of light may obscure by a dark figure.Logical formLearned from2 sentences. Spectral lines of emissions may obscure by radiation.Logical formLearned from2 sentences. A presentation of a (case law) may obscure importance of fair use.Logical formLearned from2 sentences. An applicability may obscure by a language.Logical formLearned from2 sentences. Fog may obscure a light.Logical formLearned from2 sentences. A secrecy may obscure a move.Logical formLearned from2 sentences. Some factor may obscure emissions.Logical formLearned from2 sentences. A (population loss) of some percent may obscure some signs of health.Logical formLearned from2 sentences.