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

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

*GRAMMAR*
zup -> PURPLE 
 wif -> YELLOW 
 tufa -> BLUE 
 fep -> GREEN 
 u1 kiki u2 -> [u1] [u2] 
 x1 blicket u1 -> [u1] [x1] [u1] 
 x1 dax x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 