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

The correct answer is (c) 

One large circle for Females.

A smaller circle inside Females for Sisters.

A partly overlapping circle for Teachers, intersecting partly with Females (for female teachers) and partly outside (for male teachers).

Correct answer is (c) A Venn diagram where “Sisters” circle is inside “Females”, and “Teachers” circle overlaps partly with “Females”.