12. choose if the italicized word is a positive negative or neutral connotation

Question

1.the battery in her watch will work continuously for years.(this is positive)
2.the sound coming from the leaf blower was monotonous.(this is neutral)
3the mail carrier waived a jobial hello when she recognized us.(this is positive
4. he wants to pursue a career in aeronautics(this is neutral)
please check my awnsers.