Slopes can be downward.Logical formLearned from31 sentences. A slope can be difficult.Logical formLearned from31 sentences. A slope may pertain-to a continental shelf.Logical formLearned from31 sentences. A slope can be tough.Logical formLearned from30 sentences. Slopes can be eroded.Logical formLearned from30 sentences. Slope may undergo a change.Logical formLearned from30 sentences. Changes can be in slope.Logical formLearned from30 sentences. Slopes can be smooth.Logical formLearned from30 sentences. An angle may pertain-to a slope.Logical formLearned from30 sentences. Some climbers may die on slopes.Logical formLearned from30 sentences. A slope can be windward.Logical formLearned from29 sentences. Slopes can be lush.Logical formLearned from29 sentences. Slopes can be arid.Logical formLearned from29 sentences. A slope may pertain-to a plateau.Logical formLearned from29 sentences. An end may pertain-to a slope.Logical formLearned from29 sentences.