Processes that require energy & that release energy?

Indicate with a plus sign (+) the following processes that require energy, and a negative sign (-) for those that release energy.

1) a rocket launching
2) melting ice
3) striking a match
4) relaxing a taught rubber band
5) a Slinky toy (spring) "walking" down stairs

Answer:
1 -
2 +
3 -
4 -
5 -

I saw the anwers above were wrong or i wouldnt have ansered. A struck match will ignite and release stored energy
1-
2+
3+
4-
5-

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