Reading three different strings

Consider the following NFA N. What is the set of states that N could be in after reading the string baa? {q,r} {s} {s,r} {s,q,r} {s,q} {q} Consider the following NFA N. What is the set of states that N could be in after reading the string bab? {s,r} {q} {r} {q,r} {s,q} {s,q,r} {s} Consider the following NFA N. What is the set of states that N could be in after reading the string a? {s,r} {q} {r} {q,r} {s,q} {s,q,r} {s}