*SUPPORT*
IN: fep zup fep OUT: RED RED
IN: dax gazzer OUT: PINK PINK PINK PINK
IN: lug wif zup dax OUT: BLUE PINK GREEN
IN: dax fep zup dax OUT: PINK PINK RED
IN: wif gazzer OUT: GREEN GREEN GREEN GREEN
IN: fep zup dax OUT: PINK RED
IN: lug kiki dax OUT: BLUE BLUE PINK
IN: fep OUT: RED
IN: lug zup fep OUT: RED BLUE
IN: lug gazzer OUT: BLUE BLUE BLUE BLUE
IN: wif wif gazzer OUT: GREEN GREEN GREEN GREEN GREEN
IN: lug wif zup lug OUT: BLUE BLUE GREEN
IN: dax OUT: PINK
IN: wif fep wif gazzer OUT: GREEN RED GREEN GREEN GREEN GREEN

*QUERY*
IN: lug kiki fep OUT: BLUE BLUE RED
IN: wif OUT: GREEN
IN: lug fep gazzer OUT: BLUE RED RED RED RED
IN: fep lug gazzer OUT: RED BLUE BLUE BLUE BLUE
IN: dax fep OUT: PINK RED
IN: lug OUT: BLUE
IN: dax zup wif OUT: GREEN PINK
IN: wif wif zup fep OUT: GREEN RED GREEN
IN: dax lug gazzer OUT: PINK BLUE BLUE BLUE BLUE
IN: dax fep zup fep OUT: PINK RED RED

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