Option 3 : D
The least possible Venn diagram for the given statements is as shown below:
[ alt="F3 Savita Railways 6-5-22 D25" src="//storage.googleapis.com/tb-img/production/22/05/F3_Savita_Railways_6-5-22_D25.png" style="width: 248px; height: 117px;">
Assumptions:
A. Some Woods are only Metal → False (it is possible but not definite)
B. Some Woods are only Benches → False (it is possible but not definite)
C. Some Benches are Woods → False (it is possible but not definite)
D. Some Metal are Woods → True (As All Benches and Nails are Metal and Some Woods are Nails so, Some Metal are Woods is implicit)
∴ Here, from the given statements, "Some Metal are Woods" is implicit.
Hence, the correct answer is "Some Metal are Woods".