Table 3.

Result of necessity analysis.

Causal conditions (~represents its non-set)	Outcome
	Result		~Result
	Consistency	Coverage	Consistency	Coverage
Target	0.652	0.710	0.383	0.417
~Target	0.464	0.429	0.733	0.678
Possession	0.522	0.524	0.561	0.563
~Possession	0.564	0.562	0.526	0.524
DLB	0.609	0.607	0.459	0.458
~DLB	0.456	0.458	0.606	0.608
Crosses	0.501	0.504	0.560	0.564
~Crosses	0.567	0.563	0.508	0.504
RFT	0.611	0.593	0.504	0.489
~RFT	0.473	0.488	0.580	0.599
DP	0.543	0.541	0.530	0.528
~DP	0.526	0.528	0.539	0.541
FT	0.575	0.601	0.457	0.478
~FT	0.501	0.480	0.618	0.593