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

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

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