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

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

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