I think it is the first one but not sure
Answer:
If you are doing just sentences, then I'll provide them for you.
Depending on you are a boy or girl you may have to change the wording a bit, the words ending in an "o" will need to be changed to feminine form if you're a female by using an "a" instead.
Explanation:
16. Yo estoy cansado. [I am tired]
17. Yo estoy contento. [I am happy]
18. Yo estoy nervioso. [I am nervous]
19. ¡Yo estoy emocionado! [I am excited]
20. ¡Yo estoy muy feliz! [I am very happy]
