15 days from Monday is Wednesday.

O is the father of Q, and since Q is the sister of R, O is also the father of R.

P is heavier than Q is a direct statement from the given information.

Q must be first since P is after Q and R is before P.

P is the aunt of R as well, since R and Q are siblings.

R is the daughter of P as she is the sister of Q, who is the child of P.

P is the grandfather of Q, and since R is the father of Q, P is R's father.

P and R are both children of Q, making R the sister of P.

S is the sister of U as they share the same parents, T.

T is the son of V, making V the grandfather of S.

S is the sister of T, and U is the brother of T, so S is also the sister of U.

Since some fruits are apples and all apples are sweet, it follows that some fruits are sweet.

V is the brother of T as both are children of U.

S is to the left of T.

If the day before yesterday was Sunday, then today is Tuesday, and tomorrow will be Wednesday.

Shape A will appear when the paper is folded in half along the specified line.

After eliminating every second person, 6 people will remain.

X is last as it is scheduled after W, which is after V.

V is the mother of X as she is the wife of X's father, W.

X turns right to face west and then turns left to face south.

Y is the shortest as X is taller than Y and Y is shorter than Z.

X is the father of Y, and Y is the mother of Z, making X the grandfather of Z.

Z is the daughter of X as Y (Z's mother) is married to X.

X is the sister of Y, and since Y is the brother of Z, X is also the sister of Z.

Y is the sister of Z, making her A's daughter as well.

Turning 90 degrees to the right from North will direct you to East.

To go from South to East, you need to turn right.

Each letter is shifted by +1. B -> C, I -> J, R -> S, D -> E. So, BIRD = CJSF.

Each letter is shifted by +1. B->C, I->J, R->S, D->F. So, BIRD = CJSF.

In the code, C=3, A=1, T=20. Similarly, D=4, O=15, G=7, so DOG=4157.