Young and Slow
A to H are persons compared according to their age and speed at which they finish a certain job. A is older than B and faster than C. D is younger than E, older than C, and slower than F. G is older than H, younger than C, slower than H, and faster than F. H is older than A and slower than C. Which of the following is the most valid conclusion?
1) D is the eldest and slowest
2) G is older than E and slower than A
3) C is younger than D and faster than H
4) H is older than B and faster than A