class	lepton_1_pT	lepton_1_eta	lepton_1_phi	lepton_2_pT	lepton_2_eta	lepton_2_phi	missing_energy_magnitude	missing_energy_phi	MET_rel	axial_MET	M_R	M_TR_2	R	MT2	S_R	M_Delta_R	dPhi_r_b	cos(theta_r1)
0	0.0	0.972861	0.653855	1.176225	1.157156	-1.739873	-0.874309	0.567765	-0.175000	0.810061	-0.252552	1.921887	0.889637	0.410772	1.145621	1.932632	0.994464	1.367815	0.040714
1	1.0	1.667973	0.064191	-1.225171	0.506102	-0.338939	1.672543	3.475464	-1.219136	0.012955	3.775174	1.045977	0.568051	0.481928	0.000000	0.448410	0.205356	1.321893	0.377584
2	1.0	0.444840	-0.134298	-0.709972	0.451719	-1.613871	-0.768661	1.219918	0.504026	1.831248	-0.431385	0.526283	0.941514	1.587535	2.024308	0.603498	1.562374	1.135454	0.180910
3	1.0	0.381256	-0.976145	0.693152	0.448959	0.891753	-0.677328	2.033060	1.533041	3.046260	-1.005285	0.569386	1.015211	1.582217	1.551914	0.761215	1.715464	1.492257	0.090719
4	1.0	1.309996	-0.690089	-0.676259	1.589283	-0.693326	0.622907	1.087562	-0.381742	0.589204	1.365479	1.179295	0.968218	0.728563	0.000000	1.083158	0.043429	1.154854	0.094859