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

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

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