T3W1 TS Q06 – Selective High School

"If you make spaghetti, you need both flour and eggs."

If this is true, which one of these sentences must also be true?

If Nicole uses flour and eggs, she must be making spaghetti. If Nicole did not make spaghetti, she did not have flour. If Nicole did not have eggs, she did not make spaghetti. If Nicole made spaghetti, she must have used water.

Are you sure you want to leave?

If this is true, which one of these sentences must also be true?