Please show full work/derivatives for the solution for this question. Thank you.

7. (6 marks) The domain for the variable x is the set of all musical instruments. The predicates P and Q are defined as follows: P(x): x has strings Q(x): x uses a bow or pick Indicate whether each quantified statement is true or false and explain: (a) 3x (P(x) A Q(x)) (c) Vx(P(x)--Q(x))