Can you guys help me answer this question? Thanks and appreciate a lot.

Suppose, for a given large log message file; we want to find all log lines that happened on a certain weekday (say, Saturday). Assume log lines may look like this: Aug 3, 2022 10:10:22 : : machine has started Aug 3, 202212:34:34:: OS is loaded Sep 1, 2022 02:45:56 : : ERRORs with disk read, block 5 What would be the choice of "map" and "reduce" functions for the above task