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

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

*GRAMMAR*
tufa -> YELLOW 
 lug -> GREEN 
 gazzer -> RED 
 fep -> PINK 
 u1 wif u2 -> [u2] [u1] 
 x1 kiki x2 -> [x1] [x2] [x1] 
 u1 dax x1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 