please answer question 1,2 correctly please make sure its correct

1.Determine if the following are tautologies, contradictions or contingencies using truth tables:

( ) ( )

(( ) ( ))

(( ) ( ))

2.Let p be the proposition "dogs are eating at the beach"and q be the proposition "cats are drinking at the beach" and r be the proposition "lions will eat them" and s be the proposition the beach water is salty

Translate the following expressions into English.:

a. ( ) ( )

b. ( )