this step of my life is the most challenging one
Example sentence - She won a silver medal for her efforts.
the sentence does not have a naming word. A naming word is a word with 10 letters.
You didn't write a sentence, you wrote a question. So there isn't a third word in that "sentence." Or if you are trying to be a smart aleck, "this sentence" also doesn't have three words, but in that case you didn't use correct punctuation. In either case it shows you don't really have a good grasp of the English language.
We found a rich deposit of iron ore.
We were going on a long trip and wanted to make sure we brought plenty of liquid along.
I knew at the outset of our journey that we had a big challenge ahead of us.
He wants to challenge you to a race around the track. The diet will be a challenge, but you can do it.
It was a challenge to find the penny in the haystack.
He balked at the challenge, for it seemed too difficult for him. I knew that she would balk when you screamed at her.
Climbing the mountain would be a challenge but it is possible.
Taking regents or S.A.T.s can be a challenge for high school students.
Janet always enjoyed a challenge.The sports challenge looked good this year.I will challenge your decision.
In the sentence that you give, the word challenge is used as a noun.
The nouns in the sentence are party and challenge. The word planning is a gerund, a verbal noun.
Yes I certainly can make a sentence with that word.
how can make the sentence for word mercy
Corroborative is the hardest word in the world to make a sentence for.