No, although there is a series of intervals, but these are intervals of A, so if these intervals are overlap, it means you use A continuously, (you can image that you are delivered candy A 4 times, but because the period of each candy A delivrance is overlap, so you eat candy A everyday sans cease), in that case, I know to know if the interval from the begin of A (the first time delivering candy A) to the end of A (the time you eat your last candy A) is cover interval of B (supposed that is a new kind of candy B). In case of these intervals of A are disrupted, which means you have some seperated intervals of A, so when the interval of B fall in these intervals of A, it is not covered. There is another case that only one interval or two intervals of A can cover interval of B. And I only want to know if interval of B is completely covered by interval(s) of A.
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