Unsupported. The parent never gives a condition that’s necessary for making the nation competitive. Also, while she says that rigorous schoolwork in secondary school makes sense, she doesn’t imply that it should be more rigorous than it is now.

Unsupported. The parent says that rigorous schoolwork in secondary school makes sense, but she never mentions whether secondary school students’ developmental needs are being addressed.

Unsupported. The parent never gives a necessary condition for making the nation competitive. She says that schoolwork must address the developmental needs of young children, but doesn’t imply that this will then make the country competitive.

Very strongly supported. Schoolwork for young children must address their developmental needs, but rigorous schoolwork does more harm than good, leads to burnout, and only produces short-term gains. So we can infer that it doesn’t address young children’s developmental needs.

Unsupported. The parent never gives a necessary condition for making the nation competitive. She says it’s unfair to make young children do rigorous schoolwork in order to make the nation competitive; she never says that this is necessary for making it competitive.