| smarthouse:OpenWindow(?window) |
| ∧ s4bldg:isContainedIn(?window, ?room) |
| ∧ smarthouse:hasIntExtTempDifference(?room, delta) |
| ∧ swrlb:greaterThan(?delta, 0.5) |
| ⇒ smarthouse:RedEnergyState(?room) |
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