Why does my conditional formatting appear random?

This is for school (homeschooling. I don't have access to quick or direct contact with a teacher, which is why I'm here). I've received a video of instructions for how conditional formatting works, and I feel like I'm doing what was in the video. But the formatting seems to get applied randomly.

Here, I need to colour the product name based on if column E is less than 5

Here, I need to colour the rows based on if column P is \"WAAR\"

Did I write the formula wrong? Is it something else?