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

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

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