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

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

*GRAMMAR*
tufa -> PINK 
 kiki -> YELLOW 
 dax -> PURPLE 
 fep -> GREEN 
 u1 wif u2 -> [u2] [u1] 
 x1 lug -> [x1] [x1] [x1] 
 x1 zup x2 -> [x2] [x1] [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 