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

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

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