Blood Relations — PYPs

The Setup: We break the quote into two bite-sized pieces, decode them independently, and link them back together.

Step 1: Decode the first half
'His brother's father'. A man's brother's father is simply his own father.
Target = The man's father.

Step 2: Decode the second half
'The only son of my grandfather'. If your grandfather has exactly one son, that son is your father.
Target = The woman's father.

Step 3: Link them together
The man's father = The woman's father. If they share the same father, they are siblings. Since the speaker is a woman, she is his sister.

Final Answer: Sister

Step 1: Map the family tree
* 'C is sister of F' $\Rightarrow$ C is a female; F is her sibling.
* 'D is the father of A and grandfather of F' $\Rightarrow$ D is a male (Father 1). This implies A is the parent of F and C.
* 'B is the brother of E's husband' $\Rightarrow$ E is a married female (The Mother). Her husband must be A (making A a male, Father 2). B is A's brother.
* Since D is the grandfather and has sons A and B, and A is married to E (having kids C and F), the core tree is fully mapped.

Step 2: Stat-check the family counts
* Two fathers: D (father of A & B) and A (father of C & F). $\rightarrow$ Matches.
* A mother: E (mother of C & F). $\rightarrow$ Matches.
* Three brothers: B (brother to A), A (brother to B). We need exactly one more brother. This dictates that F must be a male (brother to C). $\rightarrow$ Matches.
* Gender breakdown: Males = D, A, B, F (4 total). Females = E, C.

Step 3: Validate the statements
* A. E is the mother $\rightarrow$ True.
* B. A is the husband of E $\rightarrow$ True.
* C. There are four male members $\rightarrow$ True (D, A, B, F).
* D. F is the son of D $\rightarrow$ False (F is D's grandson).

Statements A, B, and C are logically sound.

Final Answer: A, B and C Only