*SUPPORT*
IN: kiki gazzer lug OUT: GREEN RED RED
IN: wif fep kiki OUT: PURPLE PURPLE RED
IN: tufa OUT: YELLOW
IN: lug OUT: GREEN
IN: wif dax kiki wif fep kiki OUT: PURPLE RED PURPLE PURPLE RED
IN: kiki gazzer kiki OUT: RED RED RED
IN: lug lug gazzer kiki gazzer wif fep kiki OUT: GREEN PURPLE PURPLE RED RED RED GREEN GREEN
IN: kiki fep tufa dax kiki OUT: RED RED YELLOW RED
IN: kiki OUT: RED
IN: wif fep lug OUT: PURPLE PURPLE GREEN
IN: wif OUT: PURPLE
IN: kiki fep tufa OUT: RED RED YELLOW
IN: lug gazzer wif fep wif OUT: PURPLE PURPLE PURPLE GREEN GREEN
IN: lug gazzer tufa fep wif dax lug kiki OUT: YELLOW YELLOW PURPLE GREEN GREEN GREEN RED

*QUERY*
IN: lug fep kiki OUT: GREEN GREEN RED
IN: wif fep tufa dax lug OUT: PURPLE PURPLE YELLOW GREEN
IN: tufa gazzer kiki kiki fep wif OUT: RED RED RED PURPLE YELLOW YELLOW
IN: wif gazzer kiki dax lug tufa gazzer tufa OUT: RED PURPLE PURPLE GREEN YELLOW YELLOW YELLOW
IN: tufa wif gazzer tufa fep kiki OUT: YELLOW YELLOW YELLOW RED PURPLE PURPLE
IN: kiki tufa OUT: RED YELLOW
IN: tufa fep lug OUT: YELLOW YELLOW GREEN
IN: kiki gazzer kiki tufa fep kiki OUT: RED YELLOW YELLOW RED RED RED
IN: lug lug wif OUT: GREEN GREEN PURPLE
IN: wif kiki OUT: PURPLE RED

*GRAMMAR*
lug -> GREEN 
 tufa -> YELLOW 
 kiki -> RED 
 wif -> PURPLE 
 x1 dax x2 -> [x1] [x2] 
 u1 gazzer x1 -> [x1] [u1] [u1] 
 u1 fep u2 -> [u1] [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 