Consider a rectangle R in R$^3,$ if P is a partition of

$,$ what kind of object is P

Group of answer choices

is Pa tuple of exactly three sets. Each of the sets contains exactly three real numbers.

is P a tuple of exactly three sets. Each of the sets contains real numbers.

P is a tuple of sets. Each of the sets contains exactly three real numbers.

is a tuple of sets. Each of the sets contains real numbers. There is no restriction on the size of the tuple or the size of the individual sets.