Given information about the articles:
P is just above T and just below S
This gives us the order: S - P - T
Q is just above R and just below T
This gives us the order: T - Q - R
Combining both arrangements using T as the common article:
From the first condition: S - P - T
From the second condition: T - Q - R
Connecting at T: S - P - T - Q - R
The complete arrangement from top to bottom:
Position 1: S
Position 2: P
Position 3: T
Position 4: Q
Position 5: R
The article at the third position from the top is T.
Therefore, the correct answer is Option 4.