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

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

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