*SUPPORT*
IN: kiki blicket lug OUT: GREEN PINK
IN: lug OUT: GREEN
IN: zup OUT: YELLOW
IN: kiki dax lug OUT: GREEN PINK GREEN
IN: lug fep OUT: GREEN GREEN
IN: wif dax zup OUT: YELLOW RED YELLOW
IN: lug dax wif OUT: RED GREEN RED
IN: zup blicket zup OUT: YELLOW YELLOW
IN: kiki wif fep OUT: PINK RED RED
IN: lug blicket lug dax lug OUT: GREEN GREEN GREEN GREEN
IN: lug dax kiki OUT: PINK GREEN PINK
IN: kiki OUT: PINK
IN: wif OUT: RED
IN: zup blicket lug OUT: GREEN YELLOW

*QUERY*
IN: zup wif dax kiki OUT: YELLOW PINK RED PINK
IN: wif blicket lug dax lug OUT: GREEN GREEN GREEN RED
IN: wif wif zup blicket zup kiki fep OUT: RED RED YELLOW PINK PINK YELLOW
IN: zup kiki OUT: YELLOW PINK
IN: zup fep OUT: YELLOW YELLOW
IN: wif blicket lug fep OUT: GREEN GREEN RED
IN: zup dax lug OUT: GREEN YELLOW GREEN
IN: kiki fep OUT: PINK PINK
IN: wif wif dax kiki OUT: RED PINK RED PINK
IN: lug dax lug OUT: GREEN GREEN GREEN

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