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

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

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