Cars may be checked for weapons.Logical formLearned from4 sentences. Agents may check a luggage.Logical formLearned from4 sentences. Agents may check bags.Logical formLearned from4 sentences. Persons may check a passport.Logical formLearned from4 sentences. Thermal scanners may check passengers.Logical formLearned from4 sentences. A bag may be checked on a flight to a world-city.Logical formLearned from4 sentences. Airport may check tickets.Logical formLearned from4 sentences. Some inuits may check boats.Logical formLearned from4 sentences. Persons may check villages.Logical formLearned from4 sentences. A public road may check a route.Logical formLearned from4 sentences. Handbags may be checked.Logical formLearned from4 sentences. (Coalition forces) may check a number of sites.Logical formLearned from4 sentences. Staff may check (oil shipments).Logical formLearned from4 sentences. Computers may check (plate numbers).Logical formLearned from4 sentences. A system may check (background information).Logical formLearned from4 sentences.