Answer the following statements true (T) or false (F)
1. The body of a for statement might not be executed at all.
2. Tables are always displayed using counter-controlled while loops
3. The update expression in a sentinel-controlled for loop usually involves a call to scanf or fscanf.
4. The sentinel value is always the last value added to a sum being accumulated in a sentinel-controlled loop.
5. The loop that follows displays 29 lines of output.
```
for (i = 0; i < 30; i = i + 1)
printf("%d\n", i);
```
1. True
2. False
3. True
4. False
5. False
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