*SUPPORT*
IN: wif wif blicket OUT: PINK PINK PINK
IN: tufa tufa tufa OUT: GREEN GREEN GREEN
IN: zup fep OUT: BLUE BLUE
IN: gazzer blicket OUT: PURPLE PURPLE
IN: tufa tufa zup dax zup OUT: GREEN GREEN BLUE BLUE
IN: wif gazzer dax tufa OUT: PINK PURPLE GREEN
IN: tufa blicket OUT: GREEN GREEN
IN: zup OUT: BLUE
IN: tufa fep OUT: GREEN GREEN
IN: gazzer dax wif OUT: PURPLE PINK
IN: zup wif dax zup OUT: BLUE PINK BLUE
IN: gazzer dax zup OUT: PURPLE BLUE
IN: tufa tufa dax tufa OUT: GREEN GREEN GREEN
IN: tufa zup fep OUT: GREEN BLUE BLUE

*QUERY*
IN: zup zup fep OUT: BLUE BLUE BLUE
IN: gazzer fep OUT: PURPLE PURPLE
IN: zup blicket OUT: BLUE BLUE
IN: wif OUT: PINK
IN: zup dax gazzer OUT: BLUE PURPLE
IN: tufa OUT: GREEN
IN: wif blicket OUT: PINK PINK
IN: wif fep OUT: PINK PINK
IN: wif dax wif OUT: PINK PINK
IN: zup dax zup OUT: BLUE BLUE

*GRAMMAR*
tufa -> GREEN 
 wif -> PINK 
 gazzer -> PURPLE 
 zup -> BLUE 
 u1 blicket -> [u1] [u1] 
 u1 dax u2 -> [u1] [u2] 
 u1 fep -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 