A cloth may conceal a room.Logical formLearned from5 sentences. A program may be concealed.Logical formLearned from5 sentences. Leader may conceal weapons of mass destruction.Logical formLearned from5 sentences. A way may be concealed.Logical formLearned from5 sentences. A (radio cassette player) may be concealed in a suitcase.Logical formLearned from5 sentences. A firm may defraud investors by concealing vital information.Logical formLearned from5 sentences. A bomb may be concealed in a suitcase.Logical formLearned from5 sentences. A (fur hat) may conceal a face.Logical formLearned from5 sentences. An apparatus may conceal weapons of mass destruction.Logical formLearned from5 sentences. (Explosive devices) may be concealed in envelopes.Logical formLearned from5 sentences. A male may conceal activities.Logical formLearned from5 sentences. A bomb may be concealed in a package.Logical formLearned from5 sentences. A bomb may be concealed in a piece of luggage.Logical formLearned from5 sentences. Trees may be concealed in fog.Logical formLearned from5 sentences. A farmer may conceal pride.Logical formLearned from5 sentences.