I think the answer is "Nos duele el estomago" since in the sentence you said use the verb "doler" to understand what the kids are saying and doler means pain so I chose a answer that represents that.
The opposite of contention is enojado means angry
Answer:
Translation : The kid had blonde hair
Explanation:
Parece que si la lectura es en español la ultima frase de Travel Chile department of tourism es la frase que no va