To solve this kind of questions use divide and conquer strategy

One is starting state and other is final state. It accepts all the string which have the occurrence of odd numbers of a. There is no change in the transition state for the occurrence of b. This is possible by changing all the non-final states to final states and all final states to non-final states._ Lucy:I [...]
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Summer:
I giggled at him, which made him turn pink and look away.
(5 October 2016)

Summer:
I work at a Subway restaurant and when he saw me, he immediately froze up.
(5 October 2016)

Summer:
This guy, who works as a barista next door, came to where I work at.
(5 October 2016)

Ayana:
I stare at these girls who are friends in class, is that creepy?
(5 October 2016)

Ayana:
Whenever I am caught, I immediately look away.
(5 October 2016)

Ayana:
At first, they acted really flirty and at least think I am cute, but I am staring a bit too much I think.
(5 October 2016)

Ayana:
I would catch them looking occasionally but they would look away immediately.
(5 October 2016)

Macie:
Boyfriend invited to birthday dinner in his honor without me?
(5 October 2016)

Macie:
If he was not specifically instructed not to invite me, would it have been polite for him to ask the hosts if I could come?
(5 October 2016)

Macie:
Yesterday, he told me that they invited him for dinner but he never mentioned or asked if I wanted to come and it really bothered me.
(5 October 2016)