Try again, "Rebecca" is a proper noun.

Try again, "rode" is a verb.

Try again, "her" is a pronoun.

Great detective work "lively" is an adjective.

Try again, "pony" is a common noun.

Try again, "over" is a preposition.

Try again, "the" is a determiner.

What a super sleuth "enormous" is an adjective.

Try again. "jumps" is a common noun. Of course "jumps" can be a verb too, but because it has "the" in front of it we know it is a noun.

Try again, "and" is a connective.

Try again, "won" is a verb.

Try again, "a" is a determiner.

Well done, "red" is an adjective.

Try again, "rosette" is a common noun.