Wait<br>My son's friend is very eccentric. He does not drive or bike, preferring to walk. Yesterday he needed a ride home. My son drove him but told him to wait while he visited us. My son did not want him to talk, as he stays for a long time.
The friend is underage 
( z1 underage :domain ( z2 person :ARG0-of ( z3 have-rel-role :ARG2 ( z4 friend ) ) ) )