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

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

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