cons2(features,cfp,c0,punct_1s,true);
cons2(features,cf,c0,punct_1s,true);
cons2(features,c_1,c0,punct_1s,true);
cons2(features,c0,c1,punct1s,true);
cons3(features,cf,c_1,c0,null,punct_1s,true,true,true);
cons3(features,cf,c0,c1,punct_1s,punct1s,true,true,true);