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

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

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