Let F be a family of sets. If, for each chain C(sub set of F), there exists a member of F that contains each member of C, then F contains a maximal member. 라고 하는데 여기서  

“that contains each member of C” 이 부분의 contain은 set inclusion의 의미인가요? 아니면 원소로서(ㅌ) 포함한다는 건가요?