Multi-select problem: How does the next paragraph end?

How to take care of a quaker parrot
Learn about the species.
Quakers are not the largest or most colorful of parrots, but they are among the smartest and (depending on the individual bird) most talkative. Familiarize yourself with the following general details before considering an acquisition :
They average about 11-13 inches in length, and are typically grayish-white and green in color.

Select from the following.
a). Their intelligence is no less than 4 times the intelligence of an adult bird that weighs 2-3 kilograms. Quakers can eat six things at a time and they are very intelligent people.;
b). The bird has flowering feathers like a large bird. The breeders do not need to breed the quaker, and are still offering at least 2 species of bird.;
c). They can live for 30 years in captivity, so consider this a long-term addition to your household. Quakers hail originally from temperate parts of south america, but seem to thrive in just about any climate.;
d). Quaker parrots, on the other hand, have larger wings that span their bodies and grow upward. They cannot fly as well as older birds cannot build structures.;
c).