Convection can be active.Logical formLearned from5 sentences. A (submit button) can be active.Logical formLearned from5 sentences. Active members may pertain-to a committee.Logical formLearned from5 sentences. Active ingredients may be derived from plants.Logical formLearned from5 sentences. Aphids can be active.Logical formLearned from5 sentences. A mind can be active.Logical formLearned from5 sentences. (Bed bugs) can be active.Logical formLearned from5 sentences. An insect can be active.Logical formLearned from5 sentences. (Combination products) may contain an active ingredient.Logical formLearned from5 sentences. Companies can be active in pulp.Logical formLearned from5 sentences. Group of (manufacturing companies) can be active in emulsions.Logical formLearned from5 sentences. Corporation can be active in petrochemicals.Logical formLearned from5 sentences. Associations can be active.Logical formLearned from5 sentences. Owners can be active.Logical formLearned from5 sentences. Some officers may enter active duty.Logical formLearned from5 sentences.