I would like to understand this exercise please

) 18 points. Seymour Benzer designed a complementation test for studying the array of rll mutants of T4 phage that he discovered can not lyse strain K12 E. coli. A) What does this test do? B) Given the data below, give the location of the mutants. Mutant 1 is in rIIA. C) The reactions between mutants 4 and 5 and between mutants 5 and 6 are not given. What do you expect? Tex pair of mutants Remple mentatm tect 1,2 1,3 1,4 1,5 1.6 2,3 2,4 2,5 2,6 3,4 3,5 3,6 4,6