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

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

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