Write each symbolic statement as an English sentence. Use p, q, r, s, and t as defined below.

p ∶ Lea Salonga is a singer.
q ∶ Lea Salonga not a songwriter.
r ∶ Lea Salonga is an actress.
s ∶ Lea Salonga plays the piano.
t ∶ Lea Salonga does not play the guitar.

(a) ∼ p → (p ∨ r)
(b) (r ∧ p) ↔ q
(c) t ↔ (∼ r ∧ ∼ p)