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

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

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