A mask may be stolen.Logical formLearned from13 sentences. Cyclists may wear masks.Logical formLearned from13 sentences. Police may wear (gas masks).Logical formLearned from13 sentences. A mask may pertain-to catcher.Logical formLearned from13 sentences. Soldiers may wear (ski masks).Logical formLearned from13 sentences. Officers may wear masks.Logical formLearned from13 sentences. Workers may wear (face masks).Logical formLearned from13 sentences. Rebels may wear (gas masks).Logical formLearned from13 sentences. Officers may wear (gas masks).Logical formLearned from13 sentences. Surgical masks can be over mouths.Logical formLearned from13 sentences. (Rescue workers) may wear surgical masks.Logical formLearned from12 sentences. Masks can be on display.Logical formLearned from12 sentences. A mask may undergo a loss.Logical formLearned from12 sentences. A (death mask) may pertain-to a female.Logical formLearned from12 sentences. A mask can be patterned.Logical formLearned from12 sentences.