[Video] Q23: No change or resources or resources, or resources or

Explanation for Question 23 From the Writing Section on the 2020 October Sat

So question 23 is a punctuation question, 2 but we can see that we're choosing between a dash, 3 no punctuation at all, a comma and a semi-colon. 4 So we need to ask ourselves, what are we using the punctuation for? 5 Now, if we look at the sentence, we can see, it says motivating people 6 to engage in socially beneficial behaviors, 7 such as converse, converse, conserving energy resources is 8 a challenge. And so this phrase here is something that we've set off 9 in punctuations, and you can hear it too. If you read it, 10 you kind of naturally want to pause at the spot here. 11 And this spot here, and this phrase is an example, 12 right? Is an example of conserving energy of a beneficial behavior, 13 actually. Um, and so it's not essential to the sentence. 14 The sentence can function without it, right? 15 If I remove it, the sentence now reads motivating people to engage in socially 16 beneficial behaviors is a challenge. 17 So it makes sense that stands on its own. And so since this phrase 18 is something, that's an example, it's not essential and it can be removed and 19 the sentence can still make sense. It's what we call an a positive phrase. 20 And there are two ways to set off in a positive phrase and punctuation. 21 You can put your phrase in commas, 22 or you can put your phrase in dashes. 23 Now, if we look earlier in the phrase, we can see that we use 24 the comma here. And if you use a comma first, 25 you have to also use a comma. Second, 26 we can't switch to d...