"Let's save money" considered correct as of 10 February 2019. And yeah, they really need to add the "my answer should be considered correct." option to the report flag on the next update because the contributors who can make changes to the answers are not alerted when we make comments in the discussion area.
Just as an FYI, the AI that runs these programs is only as good as the data entered into it. So if it is only given one correct answer - that's all it recognizes. In general, the AI only underlines the area where it encounters something different than it's programming - and only the first "mistake"... so... the code is really more what you call guidelines than actual rules.
(Hawaiian Television) ʻĀina ʻŌiwi – Pūkana 1
At time segment [7:52]: (Wā Moʻolelo | Story Time, there are simple sentences written in Hawaiian. And at time segment [13:37] Ka Mele | The Music), the words to the music are written out in Hawaiian. It could be a fun exercise to translate from Hawaiian to English.