
### Instruction: help me answer this question (ii) {a, b, c} … {b, c, d}, think step by step
### Assistant: Here {a, b, c} is not a subset of {b, c, d} because not every element of {a, b, c} is an element of {b, c, d}. , The answer is {a, b, c} ⊄ {b, c, d}
