Goal and options: how do you scratch someones head?
output answer: rub on it lightly with your nails.

Goal and options: How do I marinate the fillets for easy baked salmon?
output answer: Put the salmon fillets in a large plastic bag, add the sauce you want, seal the bag, turn it over to coat both sides, then place in fridge for at least 2 hours.

Goal and options: How to make Banana Ice cream at home.
output answer:
In a large bowl combine 4 cups half and half (Or light cream)1 1/2 cups sugar, and 1 tablespoon vanilla. Stir until sugar dissolves. Stir in 2 cups whipping cream. In a blender blend 4 cups fresh Bananas until nearly smooth. Add this to Ice cream mixture. Freeze in 4 or 5 quart Ice cream freezer according to manufacturers directions. Serve with fresh bananas.