A want from a consumer ought to be “Something that will keep enough portions of water, have the potential to warmth the water efficiently, and have a way in which to pour this water into a mug or cup...

A want from a consumer ought to be “Something that will keep enough portions of water, have the potential to warmth the water efficiently, and have a way in which to pour this water into a mug or cup safely barring spilling or burning.” Construct an goal tree for this problem.