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

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

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