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

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

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