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

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

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