| [ A ] N$\rightarrow$S |
|
| [ B ] S$\rightarrow$N | |
| [ C ] E$\rightarrow$W | |
| [ D ] No direction |  |
| [ A ] N$\rightarrow$S |
|
| [ B ] S$\rightarrow$N | |
| [ C ] E$\rightarrow$W | |
| [ D ] No direction | |
| Answer : Option D |
| Explanation : |
| An electric train does not emit smoke. Therefore, no smoke will be going in any of the direction |
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