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

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

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