Observe the given DTD:
UTILITY)>
(#PCDATA)>
(#PCDATA)>
]>
Choose the statement that is true about the above DTD.
1
The SITE element is optional.
2
Elements ADDRESS and UTILITY both are to be present in specified order.
3
Root element is SITE which in turn contains two sub-elements.
4
ADDRESS and UTILITY elements are empty elements.