Which of the following answer figure indicates best relation between aeroplanes, train, travel?

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Choose the Venn diagram from the options which represents the correct relationship amongst the given classes:
Females, Mothers, Lawyers

Choose the Venn diagram from the options which represents the correct relationship among the given classes:
Authors, Professors, Men

Choose the Venn diagram from the options which represents the correct relationship amongst the following terms:
Father, Infants, Males

Which of the following Venn diagram represents the best relationship between
Teachers, Sisters, Females, ?

Study the given Venn diagram carefully and answer the question that follows.

The numbers in different sections indicate the number of persons. How many chefs are there who are also teachers but not lawyers?