Earth to Mars Rover
Look around. Can you form some sort of rudimentary boat?
How is small talk like my Dad trying to figure out my gender?
It's evolved past rudimentary binary and no matter how many labels you try to give it, it refuses to identify.
Damn girl, are you rudimentary math?
Warning, you'll only get this if you understand a rudimentary amount of ancient Greek.
When an ancient Athenian was asked whether he preferred the sand or the sea, he replied:
A young man with high hopes appears, as a contestant might, on jeopardy. "This punctuation mark is the only one to appear in the name of a medical procedure while also resembling a rudimentary depiction of the procedure", says Alex. "What is a colon?", says the winner.