Does first sentence say that no one knew (about the stated facts) and the second one that some knew and some didn't? Please clarify.
1. During her lecture the speaker used map to clarify directional terms, for everyone in attendance did not know that winds are designated by the direction from which they come.
2. During her lecture the speaker used map to clarify directional terms, for not everyone attending knew that winds are designated by the direction from which they come.
GB
Top answer
2. At least one did not know. 1.
— CalifJim
2.
At least one did not know.
1.
ambiguous See: To say that no one knew, say no one knew !
for no one in attendance knew that ...
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