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

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

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