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

*QUERY*
IN: fep OUT: GREEN
IN: lug gazzer fep OUT: PURPLE GREEN GREEN
IN: wif OUT: RED
IN: lug lug dax gazzer dax OUT: PURPLE PURPLE BLUE BLUE BLUE
IN: wif gazzer dax OUT: RED BLUE BLUE
IN: fep gazzer lug OUT: GREEN PURPLE PURPLE
IN: dax gazzer wif OUT: BLUE RED RED
IN: dax OUT: BLUE
IN: lug lug OUT: PURPLE PURPLE
IN: wif wif gazzer dax OUT: RED RED BLUE BLUE

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