The parliament of a certain country is going to spend four days discussing seven bills. The discussion arrangement must meet the following conditions: a maximum of three bills per day; Motion No. 4 must be put on the next day; Motion No. 1 and motion No. 5 were discussed on the same day; Motion No.4 was discussed after motion No.2 and before motion No.3; Motion No. 3 is discussed before motion No. 1 and after motion No. 6.
cussed on the first day?
Motion No. 6 and motion No. 7