Table:
US1	US2
Valence	Arousal	Valence	Arousal
Exp I	3.00 (±0.29)	3.15 (±1.26)	6.77 (±0.33)	5.08 (±1.47)
Exp II Group 1	4.44 (±0.43)	2.38 (±0.85)	6.50 (±0.74)	4.56 (±1.63)
Exp II Group 2	4.45 (±0.45)	2.50 (±0.71)	6.60 (±0.74)	4.40 (±1.05)

What are the following diagram content in markdown style: |  | <COLSPAN=2> US1 | <COLSPAN=2> US2 | 
 |  | Valence | Arousal | Valence | Arousal | 
 | --- | --- | --- |

--- | --- | 
 | Exp I | 3.00 (±0.29) | 3.15 (±1.26) | 6.77 (±0.33) | 5.08 (±1.47) | 
 | Exp II Group 1 | 4.44 (±0.43) | 2.38 (±0.85) | 6.50 (±0.74) | 4.56 (±1.63) | 
 | Exp II Group 2 | 4.45 (±0.45) | 2.50 (±0.71) | 6.60 (±0.74) | 4.40 (±1.05) |