<!ELEMENT stop (#PCDATA)>
<!ELEMENT set_point (#PCDATA)>
<!ELEMENT occupant_cnt (#PCDATA)>
<!ELEMENT start (#PCDATA)>
<!ELEMENT temperature (#PCDATA | set_point | tolerance)*>
<!ELEMENT room_cnt (#PCDATA)>
<!ELEMENT smart_home_configuration (#PCDATA | room_cnt | occupant_cnt | hvac_mode | temperature | energy_savings)*>
<!ELEMENT tolerance (#PCDATA)>
<!ELEMENT energy_savings (#PCDATA | start | stop | temperature)*>
<!ELEMENT hvac_mode (#PCDATA)>