13. How would you describe a 2 * 3 * 5 * 7 * 7 ANOVA?

(a) Sensible

(b) An ANOVA with two variables with three conditions, five variables with seven conditions and seven variables with one condition

(c) An ANOVA with one variable with two conditions, one variable with three conditions, one variable with five conditions and two variables with seven conditions

(d) Both

(a) and

(c) above