Which of the following statements are true/false?
1. The factory needs to maintain a canteen wherein more than two hundred and fifty workers are ordinarily employed.
2. The Central government must prescribe standards of adequate and suitable facilities for washing.
3. The factory wherein 500 or more workers are ordinarily employed the occupier shall employ in the factory such number of welfare officers as may be prescribed.
4. The factories need to maintain adequate and suitable shelters or rest rooms and a suitable lunch room, with provision for drinking water where more than 100 workers are ordinarily employed.

A. 1, 2, 3 and 4 are true

B. 1, 3 are true and 2, 4 are false

C. 2, 4 are true and 1, 3 are false

D. 3, 4 are true and 2, 1 are false

Answer: Option B