*SUPPORT*
IN: fep kiki blicket OUT: PINK RED
IN: blicket blicket kiki lug OUT: PINK BLUE PINK
IN: blicket OUT: PINK
IN: fep kiki lug OUT: BLUE RED
IN: blicket lug wif tufa blicket dax blicket OUT: PINK BLUE PINK GREEN PINK
IN: wif OUT: GREEN
IN: fep kiki wif dax fep OUT: GREEN RED RED
IN: fep kiki fep OUT: RED RED
IN: lug OUT: BLUE
IN: blicket blicket tufa blicket kiki blicket OUT: PINK PINK PINK PINK
IN: fep OUT: RED
IN: blicket kiki lug OUT: BLUE PINK
IN: fep lug tufa fep OUT: RED RED BLUE
IN: fep lug OUT: RED BLUE

*QUERY*
IN: wif dax fep OUT: GREEN RED
IN: wif lug kiki wif OUT: GREEN GREEN BLUE
IN: fep kiki wif OUT: GREEN RED
IN: wif tufa blicket fep tufa blicket dax wif OUT: PINK PINK RED GREEN GREEN
IN: wif lug tufa lug kiki fep OUT: GREEN RED BLUE BLUE
IN: wif kiki fep OUT: RED GREEN
IN: fep tufa wif kiki fep OUT: RED GREEN RED
IN: blicket dax fep OUT: PINK RED
IN: lug wif tufa fep kiki wif dax blicket OUT: BLUE GREEN RED GREEN PINK
IN: blicket lug OUT: PINK BLUE

*GRAMMAR*
wif -> GREEN 
 blicket -> PINK 
 fep -> RED 
 lug -> BLUE 
 u1 kiki u2 -> [u2] [u1] 
 x1 dax u1 -> [x1] [u1] 
 u1 tufa x1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 