Table: malaysia airlines
Question: Are any of the subsidiaries of the Malaysia Airlines group involved in multiple activities? Answer with only 'Yes' or 'No' that is most accurate and nothing else.
Step 1 (Operation, Indexing): type
Step 2 (Operation, Filter): type
Step 3 (Operation, Grouping): company
Step 4 (Reasoning, Reasoning with Quantifiers): existential, involved in multiple activities
Answer: No