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

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

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