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

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

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