-- Database schema
| state : StateCode [ TEXT ] primary_key , State [ TEXT ] , Region [ TEXT ] | callcenterlogs : Date received [ DATE ] , Complaint ID [ TEXT ] primary_key , rand client [ TEXT ] callcenterlogs.rand client = client.client_id , phonefinal [ TEXT ] , vru+line [ TEXT ] , call_id [ INTEGER ] , priority [ INTEGER ] , type [ TEXT ] , outcome [ TEXT ] , server [ TEXT ] , ser_start [ TEXT ] , ser_exit [ TEXT ] , ser_time [ TEXT ] | client : client_id [ TEXT ] primary_key , sex [ TEXT ] , day [ INTEGER ] , month [ INTEGER ] , year [ INTEGER ] , age [ INTEGER ] , social [ TEXT ] , first [ TEXT ] , middle [ TEXT ] , last [ TEXT ] , phone [ TEXT ] , email [ TEXT ] , address_1 [ TEXT ] , address_2 [ TEXT ] , city [ TEXT ] , state [ TEXT ] , zipcode [ INTEGER ] , district_id [ INTEGER ] client.district_id = district.district_id | district : district_id [ INTEGER ] primary_key , city [ TEXT ] , state_abbrev [ TEXT ] district.state_abbrev = state.StateCode , division [ TEXT ] | events : Date received [ DATE ] , Product [ TEXT ] , Sub-product [ TEXT ] , Issue [ TEXT ] , Sub-issue [ TEXT ] , Consumer complaint narrative [ TEXT ] , Tags [ TEXT ] , Consumer consent provided? [ TEXT ] , Submitted via [ TEXT ] , Date sent to company [ TEXT ] , Company response to consumer [ TEXT ] , Timely response? [ TEXT ] , Consumer disputed? [ TEXT ] , Complaint ID [ TEXT ] events.Complaint ID = callcenterlogs.Complaint ID , Client_ID [ TEXT ] events.Client_ID = client.client_id | reviews : Date [ DATE ] primary_key , Stars [ INTEGER ] , Reviews [ TEXT ] , Product [ TEXT ] , district_id [ INTEGER ] reviews.district_id = district.district_id |
-- -- What are the issues of the complains of male clients and products from age 25 and below?

SELECT DISTINCT T2.Issue FROM client AS T1 INNER JOIN events AS T2 ON T1.client_id = T2.Client_ID WHERE T1.sex = 'Male' AND T1.age < 25;