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

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

*GRAMMAR*
lug -> PINK 
 wif -> YELLOW 
 dax -> RED 
 fep -> GREEN 
 u1 kiki -> [u1] [u1] 
 x1 zup x2 -> [x1] [x2] 
 x1 tufa x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 