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

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

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