Ответ:

a: hey, take a look at this nice ring with shiny gems! i like it and i think mom would love it too. we could buy her this one.

b: yeah, it's fine, but i don't think so. I've heard she wanted to get a new necklace... oh! let's buy her this golden necklace.

a: hm, okay, that sounds like a good idea.

b: great.