As we know that ,
Cement is different from Bricks, but both are building materials.

Correct Option: D

As we know that ,
Cement is different from Bricks, but both are building materials.
From above it is clear that option ( D ) represents the best relationship between Cement, Bricks and Building materials . As shown in given venn - diagram .

According to above question , we can say that
Some illiterates may be poor people and vice-versa.
Some illiterates may be unemployed and vice-versa.
Some poor people may be unemployed and vice-versa.
Some illiterate poor people may be unemployed.
Some unemployed poor people may be illiterates.
Some illiterate unemployed may be poor people.

Correct Option: B

According to above question , we can say that
Some illiterates may be poor people and vice-versa.
Some illiterates may be unemployed and vice-versa.
Some poor people may be unemployed and vice-versa.
Some illiterate poor people may be unemployed.
Some unemployed poor people may be illiterates.
Some illiterate unemployed may be poor people.
From above it is clear that option ( B ) represents the best relationship between illiterates, poor people and unemployed. As shown in given venn - diagram .

As per the above given question , we know that
Cow and goat are different from each other and both are animals.

Correct Option: A

As per the above given question , we know that
Cow and goat are different from each other and both are animals.
From above it is clear that option ( A ) represents the best relationship between Cows, Animals and Goats . As shown in given venn - diagram .

We can say that
Both Day and week belong to year . Year represents the biggest circle ,Day represents the smallest circle , and week represents the middle circle .As shown in figure .

Correct Option: A

As we know that
Both Day and week belong to year .Year represents the biggest circle ,Day represents the smallest circle , and week represents the middle circle .As shown in figure .
From above it is clear that required answer is option ( A ) .

According to above given question , we know that
Men are different from women.

Correct Option: C

According to above given question , we know that
Men are different from women.
Hence , option ( C ) gives the best relationship between men, women and pregnant women .