Social changes may be concealed by economic stagnation.Logical formLearned from2 sentences. An opening may conceal a mechanism.Logical formLearned from2 sentences. Shipments to a (crime family) may be concealed.Logical formLearned from2 sentences. A US-president may conceal a faith.Logical formLearned from2 sentences. A tactic may have an advantage of concealing presence.Logical formLearned from2 sentences. Truths may be concealed.Logical formLearned from2 sentences. A paddlebox may be concealed by a swan.Logical formLearned from2 sentences. Attitudes may be concealed by persons.Logical formLearned from2 sentences. Interest of a government may be concealed.Logical formLearned from2 sentences. Power may conceal itself by acting through coincidence.Logical formLearned from2 sentences. A male may conceal from everyone.Logical formLearned from2 sentences. A well may be concealed.Logical formLearned from2 sentences. Some buildings may be concealed behind brick.Logical formLearned from2 sentences. An (enemy force) may be concealed in bunkers.Logical formLearned from2 sentences. Progress may be concealed by walls.Logical formLearned from2 sentences.