Yep — it’s #4.
It’s a trick question meant to bait you with the gray hair 👀
If you look past that and focus on body cues instead:
- Posture: #4 stands the straightest (less age-related slouching).
- Arms & hands: smoother, firmer—less sag than the others.
- Body proportions: tighter waist/hips and more youthful muscle tone.
The gray hair is the decoy (dyed or premature gray). That’s why this one trips people up 😄
Answer: 4