An (activity level) of rats may fall_off after some minutes of a trial.Logical formLearned from2 sentences. A flour may fall_off.Logical formLearned from2 sentences. A cloth may fall_off.Logical formLearned from2 sentences. Pedals may fall_off.Logical formLearned from2 sentences. Traffic may fall_off over some years.Logical formLearned from2 sentences. Throughput may fall_off.Logical formLearned from2 sentences. The earth may fall_off.Logical formLearned from2 sentences. (Shallow creep) may fall_off.Logical formLearned from2 sentences. A man may fall_off a horse.Logical formLearned from2 sentences. Persons may fall_off a horse.Logical formLearned from2 sentences. Seeds may fall_off trucks.Logical formLearned from2 sentences. Riders may fall_off.Logical formLearned from2 sentences. Stages may fall_off.Logical formLearned from2 sentences. A wheel of a chair may fall_off from an axletree.Logical formLearned from2 sentences. A drop of sweat may fall_off a nose.Logical formLearned from2 sentences.