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

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

*GRAMMAR*
wif -> RED 
 blicket -> YELLOW 
 kiki -> GREEN 
 lug -> PINK 
 u1 fep x1 -> [u1] [x1] 
 u1 tufa x1 -> [u1] [x1] 
 x1 dax x2 -> [x2] [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 