Revani recipe with caramel syrup

materials:
for sherbet:
3.5 cups sugar
4.5 cups of cold water
For dessert:
4 eggs
1 glass of sugar
1 packet of vanilla
1 water glass measure of oil
1 cup of yogurt
1 cup + 1 full tablespoon of flour
1 packet of baking powder
1.5 cups semolina
coconut and pistachios to garnish