Define an appropriate language and formalize the following sentences using FOL formulas.

(a) All the children are younger than their parents.

(b) Every student takes exactly one course.

(c) All insects are lighter than some mammal.

(d) Some connected people at Facebook live in the same city.

(e) Not all prime numbers are odd.

(f) Every box contains at most one coin.

(g) All red objects are to the left of green objects.