Convert each of the following into a CNF (some may be trivial!): (p+q)(r+s) (pq)+(rs) (pq)=>(rs) (p+q)=>(r+s) !((p=>q)=>r) Convert each of the following into a CNF (some may be trivial!): (p+q)(r+s) (pq)+(rs) (pq)=>(rs) (p+q)=>(r+s) !((p=>q)=>r)