For a certain experiment you have 8 subjects, of whom 4 are female and 4 are male. The names of the subjects are listed below:
Males- Atwater, Bacon, Chu, Diaz Females- Johnson, Liu, King, Moore
There are to be two treatment administered, A and B. If a randomized block design is used, with the subject blocked by gender, which of the following is not a possible group of subjects who receive treatment A?