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

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

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