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

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

*GRAMMAR*
zup -> YELLOW 
 fep -> GREEN 
 tufa -> RED 
 gazzer -> PURPLE 
 u1 dax u2 -> [u1] [u2] [u1] [u1] 
 u1 kiki u2 -> [u2] [u1] 
 u1 wif x1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 