True or false

Question

____Every integer is a rational number.
____ Every Rational number is a whole number.
____ Every natural number is a whole number.
____ 3 is an element of the rational numbers.

Answer 1

all naturals are whole
all wholes are integers
all integers are rational
no rationals are irrational (duh)
all rationals and irrationals are real

These inclusions only go in one direction; the reverse are not true.
so see what you can do with those.