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

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

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