These courses should not conflict
1102,461,001,,MWF,50_12,tudorascu,,,
1102,475,001,,MWF,50_12,ono,,,
These courses should not conflict
1104,371,001,,MWF,50_11,ng,,30,
1104,475,001,,MWF,50_11,miller_a,,30,
These courses should not conflict
1104,542,001,,MWF,50_08,mehrotra,,30,
1104,552,001,,MWF,50_08,boston,,30,
ono teaches more than three days per week in 1102
ono teaches more than three days per week in 1104
yang teaches more than three days per week in 1102
yang teaches more than three days per week in 1104