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

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

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