Goal and options: eat grapefruit
output answer: Using a small knife, cut the grapefruit in half. Cut each half into wedges. Cut each half in half again and repeat until standard wedges are produced. Cut along the rind to remove just the fruit. Cut the wedge in half and remove the center pips.

Goal and options: How do I draw a 45 cm diameter circle on the leather ?
output answer: Cut a 22.5 cm string with scissors, fix one end on the string on the leather with you left hand and grab the other end of the string with your right hand while holding a pencil. By tensing up the string, draw a circle with your right hand.

Goal and options: To switch on an android phone.
output answer:
Long press the power button for at least four seconds