My friend<br>My friend owns a business. A customer came into his business. The customer ordered a drink. My friend gave the customer a drink. The customer paid my friend for the drink.
The friend is older than 18.
Because he is able to own a business, the friend must be an adult. Age/owning a business relationship unknown to AI
( z1 have-degree :ARG1 ( z2 person :ARG0-of ( z3 have-rel-role :ARG2 ( z4 friend ) ) ) :ARG2 ( z5 old ) :ARG3 ( z6 more ) :ARG4 ( z7 temporal-quantity :quant 18 :unit ( z8 year ) ) )