There are 35 students who graduated this year. Of them, 18 took French, while only 5 had all 3 languages. Of those students that attended Swahili, twice as many took French as did not. Sixteen did not learn Nepali, while any student who attended French class also took Swahili. (a) Create and complete a counting tree diagram for this situation. (b) Determine how many people took Swahili and Nepali, but not French. (c) Findn(F(SNc)).