Question: Given the following terms with provided postings list sizes: art: 1 6 5 4 9 bag: 1 1 2 9 8 cat: 1 1 2

Given the following terms with provided postings list sizes:
art: 16549
bag: 11298
cat: 112191
dog: 127897
What will be the size of the largest merge operation assuming an optimal query processing order for the query '(cat OR dog) AND art AND bag'?

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