4. Suppose that Francine has been eating cherries all day and has eaten 50 cherries and had five glasses of water, She is asked if she would like any more cherries with no more water and she states No! (a) Does this present enough evidence to prove that her preferences are not monotonic? (b) Does this present enough evidence to prove that her preferences are not strongly monotonic? (c) If she is asked whether she would like another cherry and one more glass of water and she says Yes, does this provide enough evidence to prove that her preferences are not monotonic