While reviewing the fourth question of session 7 homework (screenshot below), Greg mentions that this is an infinite possibility question and thus, we need to look for antonyms in the answer choices.
The discussed correct answer is arbitrary and intention, why isn’t humdrum and invigoration correct?
The sentence might as well mean that a boring movie (humdrum) can on occasion move an audience, but usually it is the more exciting (invigorating) ones.
Was reviewing my answer compared to Greg’s on the recorded session and had the same issue an @user1270.
I attached a screenshot to answer your question @ganesh