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Suppose we modify merge sort in the following two ways :
• We split the input into three equal segments, recursively sort each segment and then do a three way merge of the three sorted segments to obtain a fully sorted output.
(Let us call this as 3 way merge sort)
• We split the input into two unequal segments, first segment contains only one element and other segment is biased to the right side, recursively sort each segment and then do a two way merge of the two sorted segments to obtain a fully sorted output.
(Let us call this as biased merge sort)
What can we say about the asymptotic worst case complexity of merge sort , 3 way merge sort and biased merge sort ?

### Options :-

1. The asymptotic complexity of 3 way merge sort and biased merge sort is more than 2 way merge sort.
2. The asymptotic complexity of 3 way merge sort and biased merge sort is less than 2 way merge sort.
3. The asymptotic complexity of biased merge sort is more than 2 way merge sort and 3 way merge sort.
4. The asymptotic complexity of biased merge sort is less than 2 way merge sort and 3 way merge sort.
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