Read the excerpts and look at the underlined words.
a. (7) after getting a handle on what a particular work is about, the next step is for the director and design team to discuss possible challenges.
b. (12) ...although she likes the ease of collaborating with colleagues with whom she's previously worked, she particularly likes "projects that i don't know anything about to challenge myself," she said. what is the part of speech and meaning of each form of the word challenge? in excerpt a, challenges is used as____. in excerpt b, challenge is used as____.