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

*QUERY*
IN: fep kiki gazzer OUT: GREEN YELLOW
IN: fep OUT: GREEN
IN: gazzer dax kiki gazzer dax OUT: YELLOW PURPLE YELLOW PURPLE
IN: fep dax kiki fep kiki tufa lug OUT: GREEN PURPLE GREEN RED RED RED
IN: tufa tufa OUT: RED RED
IN: dax lug OUT: PURPLE PURPLE PURPLE
IN: gazzer fep OUT: YELLOW GREEN
IN: dax tufa lug wif OUT: PURPLE RED RED RED PURPLE RED RED RED
IN: fep lug OUT: GREEN GREEN GREEN
IN: fep wif OUT: GREEN GREEN

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