Environments can be challenging.Logical formLearned from310 sentences. An environment can be dark.Logical formLearned from307 sentences. Environments can be mobile.Logical formLearned from303 sentences. A (learning environment) can be online.Logical formLearned from302 sentences. An environment may undergo an improvement.Logical formLearned from301 sentences. An environment may undergo pollution.Logical formLearned from301 sentences. Ambiguity may undergo an environment.Logical formLearned from300 sentences. An environment can be alien.Logical formLearned from298 sentences. An environment can be productive.Logical formLearned from298 sentences. Environment may undergo a change.Logical formLearned from296 sentences. A female may tolerate an environment of ambiguity.Logical formLearned from296 sentences. Environments can be hazardous.Logical formLearned from296 sentences. An environment can be informal.Logical formLearned from295 sentences. An environment can be personal.Logical formLearned from295 sentences. Relation can be to an environment.Logical formLearned from295 sentences.