Goal and options: To preheat a ceramic mold to cast with aluminum.
output answer: Preheat the ceramic mold to 1500 F which is higher than the melting temperature of Aluminum.

Goal and options: tie
output answer: is thinner than boot

Goal and options: To tell your right and left ear buds apart without looking
output answer:
Tie a small knot at the speaker end of the left hand one.