(Emergency workers) may wear (face masks).Logical formLearned from6 sentences. Dancers can be in masks.Logical formLearned from6 sentences. A wife may knock_off a mask.Logical formLearned from6 sentences. An one may wear a mask.Logical formLearned from6 sentences. Some residents may wear surgical masks on streets.Logical formLearned from6 sentences. A (burial mask) may pertain-to a male.Logical formLearned from6 sentences. Stocks can be constituted-of-or-filled-with (face masks).Logical formLearned from6 sentences. Some women may wear masks.Logical formLearned from6 sentences. A parade can be constituted-of-or-filled-with masks.Logical formLearned from6 sentences. Visitors may wear masks.Logical formLearned from6 sentences. Masks may be distributed.Logical formLearned from6 sentences. Masks can be colourful.Logical formLearned from6 sentences. (Emergency staff) may wear masks.Logical formLearned from6 sentences. A mask may be made of a face.Logical formLearned from6 sentences. A need can be for masks.Logical formLearned from5 sentences.