The second thing is that a number of people who have asthma develop it because they become allergic to certain things: things like pollens, grasses, trees and weeds, house dust, mold, animal dander and in some cases even foods.
(people; have; asthma) (they; become; allergic to certain things) (The second thing; is; that a number of people who have asthma develop it because they become allergic to certain things: things like pollens, grasses, trees and weeds, house dust, mold, animal dander and in some cases even foods) Context(The second thing is,List([0, 19))):(a number of people; develop; it; because they become allergic to certain things)
The second thing is,List([0, 19))
people they The second thing a number of people
have become is develop
asthma
allergic to certain things
that a number of people who have asthma develop it because they become allergic to certain things: things like pollens, grasses, trees and weeds, house dust, mold, animal dander and in some cases even foods
it because they become allergic to certain things