Contributors to a volume may draw on fieldwork.Logical formLearned from2 sentences. Contributors can be to a (household budget).Logical formLearned from2 sentences. Heads of household can be contributors to a (household budget).Logical formLearned from2 sentences. Contributors to (household expenses) can be spouses.Logical formLearned from2 sentences. A schedule may pertain-to a contributor.Logical formLearned from2 sentences. Contributors can be consultants.Logical formLearned from2 sentences. A male may send to (committee contributors).Logical formLearned from2 sentences. (Committee contributors) may pertain-to a male.Logical formLearned from2 sentences. A place can be as a contributor to global security.Logical formLearned from2 sentences. Contributors can be to an international-political-entity.Logical formLearned from2 sentences. Contributors may be sent.Logical formLearned from2 sentences. A contributor can be to decisions.Logical formLearned from2 sentences. A contributor can be to exposures.Logical formLearned from2 sentences. Contributors can be responsible for a majority of an epidemic.Logical formLearned from2 sentences. A contributor can be to (childhood asthma).Logical formLearned from2 sentences.