Text: we had our air conditioning broke break last last Summer the switch got something wrong with the switch and we had to call somebody out to fix it because i couldn't take it more than a few hours without it on but
Entailment: Something was wrong with our air conditioning switch last summer, so I had to get someone to come out and fix it for us.
Contradiction: Thankfully our air conditioning is rock solid, so I've never had to call someone to fix it for us.