*SUPPORT*
IN: lug wif OUT: YELLOW GREEN
IN: zup tufa wif OUT: PURPLE GREEN
IN: wif kiki lug OUT: GREEN YELLOW
IN: lug kiki wif tufa wif OUT: YELLOW GREEN GREEN
IN: blicket wif OUT: RED GREEN
IN: zup OUT: PURPLE
IN: blicket blicket kiki blicket OUT: RED RED RED
IN: blicket kiki lug OUT: RED YELLOW
IN: wif dax lug OUT: YELLOW YELLOW GREEN
IN: wif wif kiki wif OUT: GREEN GREEN GREEN
IN: wif kiki lug tufa blicket OUT: GREEN YELLOW RED
IN: lug kiki wif tufa lug OUT: YELLOW GREEN YELLOW
IN: wif tufa blicket OUT: GREEN RED
IN: blicket tufa blicket OUT: RED RED

*QUERY*
IN: zup kiki wif OUT: PURPLE GREEN
IN: lug OUT: YELLOW
IN: wif wif kiki zup OUT: GREEN GREEN PURPLE
IN: lug kiki zup OUT: YELLOW PURPLE
IN: wif wif lug kiki lug tufa zup OUT: GREEN GREEN YELLOW YELLOW PURPLE
IN: blicket kiki zup OUT: RED PURPLE
IN: blicket OUT: RED
IN: wif zup OUT: GREEN PURPLE
IN: lug tufa zup OUT: YELLOW PURPLE
IN: wif kiki wif OUT: GREEN GREEN

*GRAMMAR*
wif -> GREEN 
 zup -> PURPLE 
 lug -> YELLOW 
 blicket -> RED 
 x1 tufa u1 -> [x1] [u1] 
 u1 dax u2 -> [u2] [u2] [u1] 
 u1 kiki u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 