*SUPPORT*
IN: fep OUT: YELLOW
IN: zup kiki wif OUT: BLUE GREEN
IN: zup wif kiki fep OUT: BLUE GREEN YELLOW
IN: wif zup blicket OUT: GREEN BLUE BLUE BLUE
IN: wif wif dax fep OUT: GREEN YELLOW GREEN
IN: wif OUT: GREEN
IN: gazzer fep wif dax gazzer OUT: PURPLE YELLOW PURPLE GREEN
IN: fep blicket OUT: YELLOW YELLOW YELLOW
IN: gazzer dax zup OUT: BLUE PURPLE
IN: zup kiki fep OUT: BLUE YELLOW
IN: gazzer dax wif OUT: GREEN PURPLE
IN: fep dax zup OUT: BLUE YELLOW
IN: zup blicket OUT: BLUE BLUE BLUE
IN: zup OUT: BLUE

*QUERY*
IN: wif zup kiki gazzer OUT: GREEN BLUE PURPLE
IN: gazzer wif blicket OUT: PURPLE GREEN GREEN GREEN
IN: wif gazzer kiki gazzer OUT: GREEN PURPLE PURPLE
IN: zup dax wif OUT: GREEN BLUE
IN: fep wif OUT: YELLOW GREEN
IN: fep kiki wif OUT: YELLOW GREEN
IN: wif blicket OUT: GREEN GREEN GREEN
IN: gazzer dax fep OUT: YELLOW PURPLE
IN: fep dax fep OUT: YELLOW YELLOW
IN: fep fep OUT: YELLOW YELLOW

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