This is how I diagrammed it:
whoever is kind is loved by somebody or other (K->loveD)
whoever loves anyone is happy (loveS->H)
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it follows that whoever is kind is happy (K->H)
so to arrive at the conclusio…
I personally think its doable, but it also depends on the question types you are getting wrong. If you are mainly getting the games section wrong, it is very easy to achieve a higher score in a relatively shorter period of time, since the games sect…