Humans ___ [discover] different tastes with taste buds on their tongues.
detect
This is tasty! I didn't ___ [know] you could cook.
realize
The students were listening carefully, but they couldn't ___ [hear properly] what the teacher was saying.
distinguish
I've always ___ [thought of] healthy food as boring, but this has changed my mind.
viewed
I never ___ [saw] the sign on the door.
noticed
Our school doesn't ___ [treat differently] between any groups of students. We treat everyone the same.
differentiate