Question

Consider this proposition "all birds have beaks,some cat are birds.so some cat have beaks".is this valid argument?
A) no,it is not valid
B) yes, it is valid
C)only the second premises is not valid
D)the second and thrid propositions are not valid
Which of these option is not correct?
A)any valid argument with at least one false premises is an unsound argument
B)all invalid argument are unsound
C)if the premises are false, then the argument is not valid
D)any valid argument with all premises true is a sound argument