Primitives: 

S1-PC1: [0.2708 0.4282 0.8370 0.2067]
S1-PC2: [0.4799 -0.7118 0.0839 0.5059]
S2-PC1: [0.7024 0.7089]
S2-PC2: [-0.7089 0.7024]

"S" stands for synergy matrix / set and "PC" for principal component.