Are these sentences OK?
You said some people would come to the party, but they didn't.
If I say;
None of what you said came.

You said some food would be in the menu, but there wasn't.
If I say;
None of what you said was there.

Question

Are these sentences OK?
You said some people would come to the party, but they didn't.
If I say;
None of what you said came.

You said some food would be in the menu, but there wasn't.
If I say;
None of what you said was there.

Answer

#1 "Nobody that you said would come showed up" or "None of the people you said would come actually did". Or variants like that.
#2 "None of the dishes that you said would be on the menu were there [or "were available" or "were on offer"]" or "None of the dishes that you said would be on the menu actually were".

Answer

You said some people would come to the party, but they didn't.
If I say;
None of what you said came.      Nobody came/None of them came

You said there would be some food ON the menu, but there wasn't ANY.
If I say;
None of what you said was there.