Consider the following sentences:
All benches are beds. No bed is bulb. Some bulbs are lamps.
Which of the following can be inferred?
According to the given data, we can draw the Venn diagram as shown below and all conditions given are satisfied. (We can also draw Venn diagram differently like taking Bed and Bench as same set, but this is just one possibility)
None of the given statement can be inferred according to the Venn diagram. (If any statement can be inferred it must hold true for any Venn diagram)
So, Correct answer is $(D)$