- Summer is when a hemisphere is tilted towards the sun
- The northern hemisphere is tilted toward the sun
- Hence, the northern hemisphere is in summer

- The northern hemisphere is in summer
- The winter in the southern hemisphere is during the summer in the northern hemisphere
- Hence, the southern hemisphere is in winter

- The southern hemisphere is in winter
- Australia is located in the southern hemisphere
- So, australia is in winter

Therefore, australia is in winter
Question: When the Northern Hemisphere is tilted toward the Sun, what season is occurring in Australia?
Context: - Australia is located in the southern hemisphere 
- The winter in the southern hemisphere is during the summer in the northern hemisphere 
- Summer is when a hemisphere is tilted towards the sun 
- The northern hemisphere is tilted toward the sun