Answer:
Lines 'a' and 'c' are parallel. Line 'b' is non parallel to 'a' and 'c'.
Explanation:
Picture is attached with the answer as a solution to it.
In the question it is give that line 'c' only intersect with line 'b' and not with, so the only way that two lines won't intersect here 'a' and 'c' is that lines are parallel. If the lines are not parallel then those lines will definitely meet.