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

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

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