#help Is this argument valid because "most" also implies "some"?

#help

For number 2, the chain I got the first time was S->/A->/R->J. Is this also valid?

#help I thought C couldn't be true because if you are happy, then you're not working 18+ hours a day so you're not successful.

#help Is this valid? A→B, A→C, therefore B←s→C?

To diagram the stimulus, would it also make sense to do: list exact content→easier to limit caffeine intake→many would limit intake→improve their health? or do you have to diagram the "some" relationship? I still got the right answer this way, because I know that many implies some.

#feedback The last link above doesn't work